Pure substances are made up of single elements or compounds. (2 points) True False

Answers

Answer 1

Answer:

true

Explanation:

Answer 2
Final answer:

The statement is true as pure substances consist of only one type of matter, which can be an element or a compound. Elements are made of single types of atoms, while compounds are composed of two or more types of atoms chemically bonded together.

Explanation:

The statement 'Pure substances are made up of single elements or compounds' is true. A pure substance has a constant composition and properties that are constant throughout the sample. By definition, pure substances can either be elements or compounds. An element is the simplest form of matter composed of only one type of atom and cannot be broken down into any simpler substance through chemical means. For example, aluminum is an element. A compound, on the other hand, consists of two or more types of atoms chemically bonded together, such as water, which is made up of hydrogen and oxygen atoms. Therefore, pure substances maintain a uniform composition and exhibit definite physical and chemical properties.

. A pure substance is a type of matter that has a constant composition and properties that are constant throughout the sample. Elements are the simplest substances made up of only one type of atom, while compounds are substances that are made up of more than one type of atom.


Related Questions

Cellular reactions can be made spontaneous by

Answers

Cellular relations can be made spontaneous by the application of heat to the reactions.

The correct option is (B).

What are cellular reactions?

Cellular respiration is a series of metabolic activities and processes that occur within organisms' cells.

They transform chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP) and then release waste products.

Thus, option (B) is correct because on applying heat the reaction becomes spontaneous.

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What makes a plant transgenic?

Answers

It means they have been genetically engineered
Transgenic plants are plants that have been genetically engineered, a breeding approach that uses recombinant DNA techniques to create plants with new characteristics.

WILL GIVE BRAINLIEST *IF IT IS CORRECT*

Which list below describes the next steps of evaporated water through the water cycle?

A) Condensation, precipitation, runoff, ocean storage
B) Transpiration, condensation, precipitation, ocean storage
C) Precipitation, condensation, runoff, groundwater

It most likely is B or C idk tho

Answers

Answer:

A) Condensation, precipitation, runoff, ocean storage

Explanation:

Water cycle is a natural phenomena by which water from the surface of the earth gets evaporated by the heat of the sun , rises high condenses and precipitates in the form of rain, snowfall etc.  returning the water to the earth.After evaporation from the surface of water bodies and other sources the water vapor rises high where it faces a colder temperature that results in the condensation of water vapor.This combines with dust and forms cloud.As the mass increases. the water precipitates as a result of gravity.This precipitation may be in the form of rain, snow or dew.The water that comes back to the earth's surface is store in oceans and as ground water.Thus, the next steps after evaporation is, condensation, precipitation, runoff and ocean storage.

The genetic code is a sequence of DNA nucleotides. In eukaryotic cells, the DNA is located in the nuclei of the cells. The genetic
code is nearly universal in that

Answers

Explanation:

Complete question...

a) the same codons are assigned to the same amino acids in most living things.

b) the same codons are assigned to the same DNA sequences in most living things.

c) None of these are correct.

d) the same amino acids are assigned to the same DNA sequences in most living things.

The genetic code is ubiquitous- it is found everywhere in most living organisms. Thus a) the same codons are assigned to the same amino acids in most living things.

Sequences of DNA make up genes which can have different forms called alleles. DNA is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins.

Further Explanation:

The nucleic acids are comprised of smaller units called nucleotides and function as storage for the body’s genetic information. These monomers include ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). They differ from other macromolecules since they don’t provide the body with energy. They exist solely to encode and protein synthesis.

Basic makeup: C, H, O, P... life on Earth is Carbon based nucleotides contain 5-carbon sugars, and  nitrogen; the bases may contain single to double bond rings

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. Codons are three nucleotide bases, with each codon encoding an amino acid or signalling the beginning or end of protein synthesis.

RNA codons determine certain amino acids so the order in which the bases occur within in the codon sequence designates which amino acid is to be made bus with the four RNA nucleotides (Adenine, Cysteine and Uracil) Up to 64 codons (with 3 as stop codons) determine amino acid synthesis. The stop codons ( UAG UGA UAA) terminate amino acid/ protein synthesis while the start codon AUG begins protein synthesis.

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science homework plz this is 2 grades for some reason ​

Answers

Answer:

So it is saying that Plate tectonics influence earth layers and earth layers influence plate tectonics. Plate tectonics affects minerals and the rock cycle as well as mountain building, and explains earthquakes and volcanoes.

An estuary collects sediments from the ocean and rivers that feed into it. The sediments swirl around and then settle to form a mudflat. Eel grass is then established on the mudflat. The ecosystem changes over time and ultimately develops into a salt marsh that contains mangrove trees. Which of the following is likely NOT involved in this example of ecological succession?

Answers

Answer: The concentration of salt becomes so high that all plant life is destroyed.

Explanation:

Which of the following statements correctly represents the difference between acculturation and assimilation?
A. Assimilation occurs when a group is fully integrated into another culture, and acculturation occurs when
a group adopts some beliefs of another culture but remains distinct from other groups.
B. Assimilation occurs when cultures adopt the customs of other cultures for their own benefit, and
acculturation occurs when one aspect of a culture is spread from one society to another.
C. Assimilation occurs when a group adopts some beliefs of another culture but remains distinct from other
groups, and acculturation occurs when a group is fully integrated into another culture.
D. Assimilation occurs when one aspect of a culture is spread from one society to another, and
acculturation occurs when cultures adopt the customs of other cultures for their own benefit.

Answers

Explanation:

A. Assimilation occurs when a group is fully integrated into another culture, and acculturation occurs when  a group adopts some beliefs of another culture but remains distinct from other groups.

Cultural exchange has been integral to human society, as cultures change over time. Migration, and commerce has frequently facilitated this process; cultural elements diffuse throughout groups, and as a result, these are adopted in different contexts When groups undergo complete integration to a separate, distinct culture, this process is called assimilation. However, different groups may exchange cultural elements, or adopt some form of another group's culture with each while remaining separate and distinct in acculturation.

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Final answer:

Acculturation involves adopting some elements of another culture while maintaining a distinct identity, whereas assimilation refers to full integration into the dominant culture, often losing the original cultural identity.

Explanation:

The difference between acculturation and assimilation primarily revolves around the depth of cultural integration and the retention of the original culture by a minority group within a dominant culture. Acculturation refers to the process where a group adopts certain elements of another culture (such as dress, language, or traditions) but still maintains its distinct cultural identity. On the other hand, assimilation occurs when a group becomes so fully integrated into the dominant culture that it loses its original cultural identity and becomes indistinguishable from the native members of the dominant group.

With these definitions in mind, the correct statement that represents the difference between acculturation and assimilation is:

A. Assimilation occurs when a group is fully integrated into another culture, and acculturation occurs when a group adopts some beliefs of another culture but remains distinct from other groups.

How is an increase in carbon in the atmosphere likely to affect coastal areas
such as those in North Carolina?
O A. More flooding
JOB. Fewer storms
O C. More sunlight
O D. Less erosion

Answers

Answer:

a

Explanation:

Final answer:

A rise in carbon levels in the atmosphere leads to climate change, causing the Earth's temperature to rise, melting ice caps and causing sea levels to rise. This, in turn, leads to more flooding in coastal areas like North Carolina.

Explanation:

An increase in atmospheric carbon, primarily due to human activities like burning fossil fuels, leads to a phenomenon known as climate change. One major byproduct of climate change is rising sea levels because higher atmospheric carbon levels cause the Earth's average temperature to rise, resulting in the melting of polar ice caps and thermal expansion of the ocean. Coastal regions, such as North Carolina, are particularly vulnerable to these rising levels, which can lead to more flooding.

To expand on the effect, as sea levels rise, even regular high tides can push seawater further inland causing flooding in low lying regions. Moreover, in the event of a storm, the potential destruction is amplified due to higher sea level providing a base for storm surge.

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identify the cerebral cortex in the diagram below

Answers

The area marked by A in the figure is the cerebral cortex/cerebral mantle.

Explanation:

The cerebral cortex is known as the surface of the brain. It is the outer layer of the cerebrum dividing it into two hemispheres. There a numerous peaks and grooves in this layer called as gyri and sulci.

The cerebral cortex is the largest point  of neural intergration in the central nervous system. It is essential for the actions like "attention, perception, awareness, thought, memory, language, and consciousness".

Answer:

A

Explanation:

The cerebral cortex is at the top of the brain, between the frontal lobe and parietal lobe.

Glaciers existed in many parts of the world but have melted. Scientists can detect that an area was once covered by a glacier using the evidence of



A) V-shaped valley
B) loess deposits
C) alluvial fan
D) U-shaped valley

Answers

Scientists can detect that an area was once covered by a glacier using the evidence of v-shaped valley

Which of the following is an example of an electrolytic solution? Select all that apply.

A. sea water

B. fresh water

C. carbonic acid

D. salt (NaCl)

Answers

Answer:

C carbonic acid and D salt are the example of electrolytic solution.

Explanation:

Carbonic acid is an weak electrolyte because in aqueous solution carbonic acid undergo partial hydrolysis to generate H+ and HCO3- ions.

    H2CO3 ⇄ H+  +  OH-

NaCl is a strong electrolyte  because in aqueous solution NaCl undergo hydrolysis to generate Na+ and Cl- ions.

   NaCl ⇄ Na+ and Cl-

   

Final answer:

Sea water and salt (NaCl) when dissolved in water are examples of electrolytic solutions that can conduct electricity. Fresh water typically does not conduct electricity well unless it contains dissolved minerals, and carbonic acid acts as a weak electrolyte. Substances like NaOH and Fe(NO3)3 are strong electrolytes, while CH3COCH3 and Br2 are nonelectrolytes.

Explanation:

An electrolytic solution is a solution that contains ions and can conduct electricity when dissolved in water. Out of the options provided, both sea water (which contains a variety of dissolved salts) and salt (NaCl) when dissolved in water are examples of electrolytic solutions. In contrast, fresh water is typically a poor conductor of electricity since it lacks free ions unless it has dissolved minerals. Carbonic acid, formed when carbon dioxide dissolves in water, also acts as a weak electrolyte.

Given substances and their classification as electrolytes or nonelectrolytes include:

Sodium hydroxide (NaOH) and iron(III) nitrate [Fe(NO3)3] are strong electrolytes.Acetone (CH3COCH3) and elemental bromine (Br2) are considered nonelectrolytes because they do not dissociate into ions in solution.

As for whether solutions of certain solutes will conduct electricity:

AgNO3 (silver nitrate) will conduct electricity as it is a strong electrolyte.CHCl3 (chloroform) will not conduct electricity because it is a nonelectrolyte.

The gradual change in species over time

Answers

Answer: Gradualism [GRAJ-oo-uh-liz-uhm] – the theory that all evolution is slow and proceeds at a steady rate over a long period of time

evolution as well?????

Which conditions are common to all three of the following: genetic drift, the founder principle, and the bottleneck effect? a. in small populations when one genetic trait becomes more common in a population purely by chance b. in small populations and result in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits c. when a small group of organisms only reproduce with each other to create a larger population of organisms d. when the majority of a population is killed off and there are only a few remaining organisms left to rebuild the population

Answers

Answer:

letter b

Explanation:

Final answer:

The conditions common to genetic drift, the founder principle, and the bottleneck effect are small populations, decrease in genetic diversity, and few remaining organisms to rebuild the population.

Explanation:

The conditions that are common to all three genetic drift, the founder principle, and the bottleneck effect are:

In small populations, when one genetic trait becomes more common purely by chance.In small populations, resulting in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits.When the majority of a population is killed off and there are only a few remaining organisms left to rebuild the population.

These conditions lead to changes in the genetic makeup of a population. For example, genetic drift can occur when a few individuals from a larger population colonize a new area, causing a reduction in genetic diversity. The founder principle occurs when a small group of individuals establishes a new population, leading to a decrease in genetic diversity. The bottleneck effect happens when a natural disaster or human activity drastically reduces the size of a population, resulting in a loss of genetic diversity.

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The value of a stock increases 1423 points twice in one week. The other three days the value decreases by 10 points, 813 points, and 1223 points. By how many points did the value of the stock change that week?

Answers

Answer: By [tex]800\ points[/tex]

Explanation:

You need to analize the information provided in the exercise.

You know that:

1. The value of a stock increases 1,423 points twice in one week. This indicates that you must multiply 1,423 points by 2:

[tex](1,423\ points)(2)=2,846\ points[/tex]

2. The other three days the value decreases by 10 points, 813 points, and 1,223 points. So you need to find the sum. This is:

[tex]10\ points+813\ points+1,223\ points=2,046\ points[/tex]

Finally, you need to subtract 2,846 points and 2,046 points in order to calculate by how many points the value of the stock changed that week.

Therefore, the result is:

[tex]2,846\ points-2,046\ points=800\ points[/tex]

Answer:

Answer: By 800 points

Which statements correctly describe the inheritance pattern for the alleles that control blood type? Check all that apply. IA is dominant. IB is dominant. i is dominant. IA is recessive. IB is recessive. i is recessive.

Answers

Explanation:

both  IA  and IB are dominant- A and B groups show co-dominance

Inheritance describes the way in which certain traits are passed onto offspring of sexual reproduction. For co-dominance, both of a gene's alleles are present, and notable in the phenotype.

Blood glycoprotein alleles are crucial to blood type determination for the ABO system in humans- i does not lead to modifications, while  IA leads to the modification of adding N-acetylgalactosamine to the H-antigen on red blood cells; and IB adds galactose

[tex]I_{A} I_{B}[/tex] = blood type AB while [tex]I_{A} I_{A}[/tex] = blood type A while [tex]I_{B} I_{B}[/tex] = blood type B. Since [tex]I_{A} I_{B}[/tex] are both dominant over ii, those with that allele have blood type O.

The nucleus is a large membrane-bound organelle that houses the genetic information, DNA, in the cell. Sequences of DNA make up genes which can have different forms called alleles and comprise the genotype. DNA is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins. These proteins, when expressed, are referred to as an organism's phenotype.

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Answer:

a, b, and f

Explanation:

Would you expect a honeycreeper species that lives only on the island of Hawaii to have evolved before or after a honeycreeper species that lives on the islands of Hawaii, Maui, and Oahu? Explain your answer.

Answers

The honey-creepers of Hawaii were evolved later.

Explanation:

The Hawaiian honey-creepers were evolved after the Hawaii, Maui and Oahuian honey-creeper. The research work conducted by Michi Horfeiter of York University involved the study of finches that are the origin of honey-creepers and their evolution on the island of Hawaii.

As this island has a huge number of diversities among the honey-creeper family the researchers found their evolution occurring after the evolution of them in the Maui, Hawaii and Oahu island. This process of large bursting evolution is known as radiation. This radiation is behind their evolution.

Which of the following is NOT a component of a nucleotide?

a. Phosphate
b. Nitrogenous base
c. Pentose sugar
d. DNA

Answers

Answer:

D

Explanation:

Which of the following is not a component of DNA's nucleotides?

a. A phosphate group

b. A base (A, C, T, or G)

c. A deoxyribose backbone

d. RNA

Final answer:

DNA is not a component of a nucleotide; instead, nucleotides form DNA. Each nucleotide consists of a nitrogenous base, a pentose sugar, and phosphate groups.

Explanation:

The component that is NOT a part of a nucleotide is option d. DNA. Nucleotides themselves are the building blocks of nucleic acids, such as DNA and RNA. Each nucleotide is composed of three main components: a nitrogenous base, a pentose sugar, and one or more phosphate groups. The pentose sugar could be either deoxyribose, in the case of DNA, or ribose for RNA. The nitrogen-containing bases are divided into purines (adenine and guanine) and pyrimidines (cytosine, thymine, and uracil). However, DNA itself is not a component of a nucleotide but rather a macromolecule that is made up of many nucleotides joined together through phosphodiester bonds.

Which of the following is a natural cause of carbon increases and decreases?
Question 2 options:


clearing of land for new development


collecting and burning natural gas


plant growth related to weather


water usage related to fires

Answers

Collecting and burning natural gas.... could b wrong

The enzyme that unwinds that double stranded DNA at the beginning of DNA replication is called A. Primase. B. helicase C. topoisomerase. D. DNA polymerase

Answers

Answer:

DNA Polymerase D

Explanation:

The enzyme that unwinds that double stranded DNA at the beginning of DNA replication

Tornadoes are rotating, funnel-shaped clouds that often appear with little to no warning. Wind speeds in a tornado can reach up to 300 miles per hour, and damage paths can extend for miles. Which of the following is the cause of most of the injuries and deaths from tornadoes? A. lightning strikes B. flying debris C. poor visibility D. heavy rain

Answers

Answer:

a lightinging strikes that is because i am    farting oops

Explanation:

Answer:

Flying debris.

Explanation:

You can get hit by something flying in the air

Match each organ with the correct organ system.
1 stomach
reproductive system
2. brain
nervous system
3. heart
digestive system
4. kidneys
lymph system
5. bone marrow
skeletal system
6. pituitary gland
endocrine system
7. xylem
cardiovascular system
8. bones
excretory system
9. fallopian tubes
vascular tissue system

Answers

Answer:

1 stomach- Digestive

2. brain-Nervous

3. heart-Cardiovascular

4. kidneys- excretory

5. bone marrow- lymph

6.Pituitary gland- Endocrine

7. xylem-vascular tissue

8. bones-skeletal

9. Fallopian tubes-Reproductive

Explanation:

Matching each organ with the correct organ system :

Organ                                      organ system

1. Stomach                               Digestive

2. Brain                                    Nervous

3. Heart                                   Cardiovascular

4. kidneys                               Excretory

5. bone marrow                      Lymph

6.Pituitary gland                     Endocrine

7. xylem                                  Vascular tissue

8. bones                                  Skeletal

9. Fallopian tubes                  Reproductive

Function of the human systems

The cells make up the tissues and the tissues make up the organs while the organs make up the system. There are about ten(10) different body systems in the human body which perform various functions. example :

Reprodcutive : Responsible for reproduction Cardiovascular : Responsible for blood circulationSkeletal : res;onsible fir the support and movement

Hence we can conclude that the oragns and their systems are as listed above.

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Why does a continental crust rise above an oceanic crust when the two meet?


A They are of equal density but the continental crust moves faster.


B It is less dense.


C They are of equal density but the continental crust moves slower.


D It is denser.

Answers

Final answer:

The continental crust rises above the oceanic crust when they meet because it is less dense, allowing it to float higher on the mantle. So the correct option is B.

Explanation:

When a continental crust meets an oceanic crust, the continental crust rises above the oceanic crust because it is less dense. The average composition of continental crust is granite, which has a lower density compared to the basaltic rocks that make up the oceanic crust. Due to its lower density and thicker composition, continental crust floats higher on the mantle, while the denser oceanic crust is more easily subducted beneath the continental plate at a subduction zone, leading to features like ocean trenches and volcanic activity.

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Bacteria and archaea function in the nitrogen cycle

Answers

Answer:Archaea are able to perform different reductive pathways of the N-cycle, including both assimilatory processes, such as nitrate assimilation and N(2) fixation, and dissimilatory reactions, such as nitrate respiration and denitrification. However, nitrogen metabolism is much less known in archaea than in bacteria.

Explanation:

Bacteria and archaea are essential to the nitrogen cycle, converting atmospheric nitrogen into forms usable by plants and animals. They engage in nitrogen fixation, nitrification, and denitrification, crucial for ecological balance and the biosphere.

Bacteria and archaea play crucial roles in the nitrogen cycle, a fundamental process that converts atmospheric nitrogen into various chemical forms usable by plants and animals. Bacteria in the genus Rhizobium, for instance, are known for their nitrogen-fixing abilities, living symbiotically within the roots of legume plants like clover and peas, converting atmospheric nitrogen into ammonia. This ammonia is essential for the plants to synthesize nucleic acids and other vital biomolecules.

Apart from nitrogen fixation, these prokaryotes are also involved in other stages of the nitrogen cycle such as nitrification, where soil and oceanic archaeal microbes, particularly those within the Crenarchaeota group, convert ammonia to nitrites. Further, nitrifying bacteria and archaea are involved in converting these nitrites to other nitrogenous compounds through processes like ammonification and denitrification. Denitrifying bacteria, for example, reduce nitrates back to atmospheric nitrogen, completing the cycle.

These microbial processes are not only essential for the survival of plants and by extension, animals, but also for maintaining the balance of nitrogen in the atmosphere, soil, and water ecosystems. The efficient conversion of nitrogen in its various forms by bacteria and archaea highlights their indispensable role in the earth's ecological and biological systems.

Which is not an input into the Calvin-Benson cycle?

Answers

H2O is not an input into the Calvin-Benson Cycle

Answer:

H2O is not an input into the Calvin-Benson Cycle

Which of these activities increases the amount of carbon in the atmosphere?
A.
animals eating plants
B.
burning of fossil fuels
O
C.
fossilization
D.
photosynthesis
nado
Next

Answers

Answer:

B.

burning of fossil fuels

it increase the amount of carbon present in atmosphere.

Answer:

B.

Explanation:

as when we burn of fossel fuel causes nitrogen and carbon and other gases in air

Why is the destruction of a natural environment a risk to the survival of humans?

Answers

Answer:

Destruction of a natural environment is a big threat to the humanity. With the destruction of forests, the wild life is becoming extinct. Lesser number of trees means more harmful gases to be transferred to the ozone layer. Without the ozone layer, the survival of humans on the Earth will be impossible.

If plant or animals become extinct or endangered from a natural environment, this will mean lesser food for the humans. There will be increased competition for food and other resources.

Which of the following is an example of parasitism?
O
A. Algae living on a sloth, giving it camouflage
O
B. Two fish protecting each other from predators
O
C. Tree frogs using the trees to hide from predators
O
D. Fleas living on a dog, making the dog ill
SUBM

Answers

Answer:

The correct answer is d. Parasites take what they want from the host not trying to help out the host.

Explanation:

The following example of parasitism is fleas living on a dog, making the dog ill. The correct option is D.

What is parasitism?

Parasitism is a process in which the organism lives upon another organism for food and space, but it exploits the other organism and makes it ill and weak.

The fleas, that feed upon dog skin, suck the blood of the dog and infect the dog with the parasites they get.

Thus, the correct option is D. Fleas living on a dog, making the dog ill.

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Which of the following best characterizes natural selection?
inment in which leaves grew only at the tops of short trees, giraff
A. Faced with an environment in which leaves grew only at the to
responded by growing long necks.
onment where leaves grew only at the
B. Only giraffes with long necks moved into an environment where leaves
tops of short trees.
iraffes that did not eat leaves from the tops of short trees grew shorter
C. The necks of giraffes that did not eat leaves from the tops
lack of exercise.
D. Among a population of giraffes, those with long necks were able to survive better i
environment in which leaves grew only at the tops of short trees.

Answers

The answer is D, because natural selection is when species adapt in order to live. Giraffes with long necks were able to eat more than those with short necks. Which is why they survived better. There long necks are an adaptation created so they can survive.

Final answer:

Option D best characterizes natural selection, as it describes how giraffes with long necks had a survival advantage in accessing food, leading to greater reproductive success and an eventual increase in long-neck traits in the population.

Explanation:

The best characterization of natural selection among the given options is D: Among a population of giraffes, those with long necks were able to survive better in an environment in which leaves grew only at the tops of short trees. Natural selection is a process described by four main concepts:

Heritable variation within a population.

Overproduction of offspring leading to a struggle for existence.

Differential survival and reproduction, meaning individuals that are better adapted to their environment are more likely to survive and reproduce.

Gradual change in traits within the population over generations as advantageous genes increase in frequency.

In the case of giraffes, they once had varying neck lengths. Due to environmental changes such as drier climates and scarcer leaves, giraffes with longer necks had an advantage in reaching food sources. Consequently, these giraffes were more likely to survive and reproduce, passing down the long-neck trait to offspring. Over time, this led to a population dominated by long-necked giraffes, demonstrating evolution through natural selection.

how do organism interactions ensure that energy flows through and ecosystem?

Answers

Answer:

Organisms can be either producers or consumers in terms of energy flow through an ecosystem. A trophic level refers to an organism's place in the food chain.

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Which is important in determining the characteristics of biomes latitude or longitude

Answers

Final answer:

Latitude plays a more significant role than longitude in determining the characteristics of biomes.

Explanation:

The **latitude** and **longitude** are both important in determining the characteristics of biomes, but **latitude** plays a more significant role. Latitude affects the climate, temperature, and amount of sunlight that a particular area receives, which in turn determines the types of plants and animals that can survive in a biome. For example, forests are found in regions with moderate temperatures and abundant rainfall, which tend to be closer to the equator. On the other hand, deserts are typically found in areas with high temperatures and low rainfall, which are often closer to the tropics.

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An online furniture store sells chairs for $150 each and tables for $350 each. Every day, the store can ship a maximum of 20 pieces of furniture and must sell at least $4800 worth of chairs and tables. If 18 chairs were sold, determine the minimum number of tables that the the store must sell in order to meet the requirements. If there are no possible solutions, submit an empty answer. Using only the information available in the periodic table, consider the elements sulfur and oxygen. From their location on the periodic table, identify the oxidation state and number of valence electrons for sulfur and oxygen. Then use this information to describe their reactivity.Which statement most accurately describes the compound formed by sulfur and oxygen?A)Sulfur dioxide, SO2, is ionic, formed between sulfur and oxygen ions.B)Sulfurous oxide, SO2, is ionic, formed by the ionic bonding of sulfur and oxygen.C)Sulfur monoxide, SO, is covalent, formed by the sharing of electrons between sulphur and oxygen. D)Sulfur dioxide, SO2, is covalent, formed by the sharing of electrons When rolling a standard 6-sided die, what is the probability of rolling an odd number? A. 1/3 B. 1/6 C. 1/2 D. 2/3 If the earth has a radius of 6.4 x 10^6 and it spins once per day, what is the centripetal force on a 100 kg man who is on the equator? This would make him weigh (less/more) by ____N I need to know this question: 12x2+17x+6 Reserve requirements are changed A. less frequently than open market operations are conducted and less frequently than the discount rate is changed. B. more frequently than open market operations are conducted, but less frequently than the discount rate is changed. C. more frequently than the discount rate is changed, but less frequently than open market operations are conducted. D. more frequently than the discount rate is changed and more frequently than open market operations are conducted. An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is and the sample standard deviation is s = 0.22. Find a 99% lower confidence bound on the true Izod impact strength. Assume the data are normally distributed. landon wants to show that the product of rational numbers is always a rational number. complete his work and explanation by filling in the boxes with values that support his conclusion According to a candy company, packages of a certain candy contain 24% orange candies. Find the approximate probability that the random sample of 200 candies will contain 26% or more orange candies. A fluid flows through a pipe whose cross-sectional area changes from 2.00 m2 to 0.50 m2 . If the fluids speed in the wide part of the pipe is 3.5 m/s, what is its speed when it moves through the narrow part of the pipe? BRAINLESTTTTT The LCM of 5 and 7 is _______. Numerical Answers Expected! Answer for Blank 1: Which of the following is NOT an advantage of hydroelectric power?A. It is clean, safe, and efficient.B. It does not contribute to air pollution.C. Only certain locations are suitable for building a dam.D. Water is naturally renewed by the water cycle. Why is it important to know who reviews the information posted on a Web site and the date it was last updated? Sometime around 2022, astronomers at the European Southern Observatory hope to begin using the E-ELT(European Extremely Large Telescope), which is planned to have a primary mirror 42 m in diameter. Let us assume that the light it focuses has a wavelength of 600 nm. (1 light-year = 9.4611015 m) Note: Jupiter's Diameter dj=1.43108 m 1) What is the most distant Jupiter-sized planet the telescope could resolve, assuming it operates at the diffraction limit? (Express your answer to two significant figures.) the brundtland report defined sustainable development as "development which meets the needs of the current generation without compromising the ability of future generations to meet their own needs."a. true.b. false. Express y 5x = 5 in standard form. Which of the following does not influence the responsiveness of a target cell to a hormonea) the number of receptors on the target cellb) the temperature of the tissuec) the presence and effects of other hormonesd) the concentration of the hormonee) previous exposure to a hormone plzz helpppp meee.... i need the answer and steps really fast ... 1. unattempted Julio y Daniel ____ el golf. prefiere preferimos prefieren 2. unattempted Valeria ____ los videojuegos a sus amigos. muestro muestra muestras 3. unattempted Yo ____ a esquiar maana. comienza comienzo comienzan 4. unattempted T ____ nuestro equipo de hockey? recuerdas recuerdan recuerdo 5. unattempted Ral ____ el gimnasio los fines de semana. cierro cierras cierra holiday lights are often connected in series and use special lamps that short out when the potential difference across a lamp increases to the line voltage. generate an explanation why and explain why these light sets might blow their fuses after many bulb