Answer:
True
Explanation:
The eyes project images onto the retina upside down.
Answer:
True
Explanation:
SCIENCE--Which of the following leads to eutrophication? Select one or more: a. Agricultural Practices b. Industrial Activities c. Population Growth d. Human Activities
Eutrophication cause by:-
Agricultural Practices Industrial Activities Human ActivitiesWhat is eutrophication?Eutrophication is characterized by excessive plant and algal growth.It to the increased availability of one or more limiting growth factors needed for photosynthesis such as sunlight, carbon dioxide, and nutrient fertilizers.What are the adverse effect of eutrophication?Eutrophication leads to an increased algal growth because the level of nutrients increases. It can lead to a shift in species composition to fast growing algae species including toxic species a shift from long lived macro algae to more nuisance species
Hence, A, B and D are the correct option.
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Why aren’t blueberries blue?
Which statements accurately describe the Doppler effect? Check all that apply
It is used to learn hout the behavior of the universe
It was used by Hubble to measure velocities of galaxies
It indicates galaxy motion through light wavelengths,
It indicates a galaxy moving toward Earth through red shift
It indicates a galaxy moving away from Earth through blue shift
Answer:
Option (1), (2) and (3).
Explanation:
Doppler effect may be defined as the change in wavelength due to the the movement of sound or radiowaves travels from the object. The frequency remains same if the distance between the receiver and sender's electromagnetic wave distance is same.
Doppler effect helps to learn about the universe behavior. Hubble used the Doppler effect to study the velocity of galaxy. The galaxy motion can be indicated by the wavelength and light.
Thus, the correct answer is option (1), (2) and (3).
Answer:
(1), (2) and (3).
Explanation:
Rita has two small containers, one holding a liquid and one holding a gas.Rita transfers the substances to two large containers. Compare the behavior of the atoms in the liquid and in the gas once they are moved to the larger containers.
Answer:
The behavior of the both liquid and gas will be different in some aspect and same in the other, lets see how:
Explanation:
As we have studies that liquids donot have a specific shape but do have a specific volume. So when the liquid will be transferred from small to large container, it will adapt the shape of new container but its volume will stay same as it was in old container.
On the other hand, about gases, we know that they donot have specific shapes and the volume is also not definite and depends on the shape of container. Therefore, the gas atoms will freely move in the container and the volume will be changes in large container.
Hope it help!
Answer:
Sample Response:Because liquids flow freely, they take the shape of the container they are in, but have a definite volume. Like liquids, the shape of a gas changes with the container. This is because the atoms in a gas move rapidly and freely to fill any available space. Unlike liquids, the volume of a gas changes depending on the container it is in.
Explanation:
Organize the word parts according to where they appear in a medical term.
Answer:
Prefix, Root, combining Vowel, Suffix
Explanation:
Answer:
prefix,root,combining vowel, sufix.
Got 100 from edument
John wants to test how temperature affects the mass of sugar that can be
dissolved in water. Which of the following factors will John expect to change
in response to the differences between the control group and the
experimental group?
O
A. The time of day
O
B . The volume of the water
C. The mass of the sugar
O
D. The temperature of the water
Which of the biogeochemical cycles can impact all of the others the most directly?
Select one:
O a. Phosphorous Cycle
O b. Carbon Cycle
c. Nitrogen Cycle
O d. Water Cycle
Biogeochemical cycle that can impact all of the others cycle most directly would be water cycle. Hence option "D" would be the correct option.
What is water cycle?
Water cycle involves vaporation, condensation, and precipitation. It include various processes and shows continous movement of water within the Earth and atmosphere.
Rainfall and surface runoff play important role in cycling other elements like carbon, nitrogen, phosphorus, and sulfur.
Hence water cycle can impact other biogeochemical cycles.Thus option "D" is correct.
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_______ factors depend on the number of organisms in a population in a given area.
_______ factors don’t depend on the number of organisms in a given area.
An ecologist is counting the number of individuals of a species in a specific area to determine the population _______.
Without population _______ factors, a population could theoretically grow forever.
A microclimate change is harming a species to the point where a number of organisms _______ from that area to a new area.
Answer:
Population dependent factors depend on the number of organisms in a population in a given area.
Population in dependent factors don't depend on the number of organisms in a given area.
An ecologist is counting the number of individuals of a species in a specific area to determine the population density.
Without population limiting factors, a population could theoretically grow forever.
A micro-climate change is harming a species to the point where a number of organism migrate/move from that area to a new area.
Answer:
Density-dependent
Density-independent
density
limiting
emigrated
Explanation:
What are the three types of cellular transport used in gas exchange?
Answer:
the three types of cellular transport used in gas exchange are :-
Cellular transport
Diffusion.Osmosis.Active transportThe three types of cellular transport used in gas exchange are simple diffusion, facilitated diffusion, and active transport.
Explanation:The three types of cellular transport used in gas exchange are simple diffusion, facilitated diffusion, and active transport. During gas exchange in the lungs, oxygen and carbon dioxide move between air spaces in the lungs and the blood by passive processes that require no energy from the cell. Simple diffusion involves the movement of these gas molecules down their concentration gradients across cell membranes. In some cases, transport proteins assist in the movement of molecules, which is known as facilitated diffusion. When molecules move against their concentration gradient, the cell must use energy in a process called active transport.
A flower slowly turns to face the Sun. What is the stimulus and response for this action?
A flower turning towards the Sun is displaying heliotropism, where sunlight is the stimulus and the flower's movement is the response to optimize photosynthesis. This positive phototropism is controlled by a biological clock and light sensors.
Explanation:The response of a flower turning to face the Sun is called heliotropism. The stimulus in this interaction is sunlight, and the response is the flower's movement to orient itself towards the light source. This behavior in plants is part of their ability to respond to environmental light cues. In young sunflowers (Helianthus annuus), this movement is quite visible as they track the sun across the sky from east to west during the day and return to the east overnight. This behavior optimizes their ability to absorb sunlight, essential for photosynthesis.
Mature sunflower fields are also interesting because they predominantly face east, which is an adaptation to catch the early morning sun. The control over these movements likely involves a combination of a biological clock and light sensors in the plants. This response is an example of positive phototropism, where a plant grows toward a light source. Understanding these mechanisms is crucial as it demonstrates how plants adapt to their environment to improve their chances of survival and reproduction.
In tree rings, like those shown, each "ring" of growth represents what? A. One season of growth B. Two years of growth C. One month of growth D. One year of growth
Answer:
The correct answer is option D, that is, one year of growth.
Explanation:
Every year, the tree produces new cells, aligned in concentric circles known as annual growth rings or annual rings. These annual rings demonstrate the concentration of wood generated at the time of one growing season. The season of growth starts in the spring. Initially, the cambium generates many big cells with thin walls, which produces the springwood that appears as a light ring.
Then at the termination of the summer, growth slows down. The cells produced at the time of this year are small and comprises thick walls, the formation of summerwood takes place, which appears as a darker ring. Therefore, one year of growth is signified by a ring comprising of dark and light part.
what kind of information is translated during translation?
a. amino acids to nucleic acids
b. proteins to amino acids
c. proteins to nucleic acids
d. nucleic acids to amino acids
Answer:
D) Nucliec acids to amino acids
Explanation:
no explanation needed, just take the answer
Nucleic acid is translated to amino acid during a translation.
What is translation?
A translation is a process of conversion of m-rna into an amino acid.The process of translation occurs in the cytoplasm of a cell.Purpose of translation:
The purpose of translation is to convert a sequence of m-Rna into a sequence of amino acid.
Thus, we can conclude that in the process of translation, a nucleic acid is translated to a sequence of amino acid.
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The cell wall _____. is only present in animal cells supports and protects the cell is made of cellulose does not allow the transport of chemicals is thick and rigid
Answer:
supports and protects the cell
is thick and rigid
Explanation:
Cell walls of plants are made of cellulose. However, some cell walls are made of chitin such as those of fungi. They are thicker then the cell membrane and their structure are rigid. They form a mechanically protective enclave for the cell and give structural strength to a cell.
Answer: protects the cell is made of cellulose
thick and rigid
Explanation:
The cell wall is the outer covering of the cell. It is typically found in plants and fungi. It is a thick and rigid structure. It provides cell it's structure and shape. It is a protective layer which allows certain molecules to enter and go out of the cell. In plants the cell wall is made up of cellulose, which is a carbohydrate. The cellulose provides the plant cell wall it's rigidity.
What is it called when scientists carefully examine a new result by someone else in their field of study
Answer:
Peer review
Explanation:
Peer review is the evaluation of work, idea or research via close examination of others that are expert in that field or that are in same competence.
It has importance in publishing the work, by letting the author to know about its remarks. It is a way to improve quality of work, and quality of that particular journal in which it will be published.
which best describes the scientists who contributed to our current body of knowledge
A. People of all races
B. White Males
C. Europeans
D. people from South Asia
Answer: A is the correct answer. Our scientific knowledge has come from all places around the word. From north africa to the middle east, to india and china.
The only reason that we are so far ahead is because we have interacted with other peoples who have skills and knowledge that we didnt have.
Hope this helps.
Natural selection cannot occur without what
Hello.
There are a couple things needed for natural selection.
Natural selection is organisms become comfortable and changer where they are newly located. Where they can live and get more off springs.
First, You will need heredity which passes traits to an offspring.
Second, reproduction that is needed to to copy traits and give them to the offspring.
Natural selection cannot occur without variation, heritable traits, and differential reproductive success.
Explanation:Natural selection cannot occur without variation, heritable traits, and differential reproductive success. Variation is the presence of differences in traits within a population. These differences can arise through genetic mutations, sexual reproduction, and gene flow. Heritable traits are traits that can be passed down from one generation to the next through genetics.
If traits are not heritable, they cannot be subject to natural selection. Differential reproductive success is when individuals with certain traits have a higher chance of surviving and reproducing compared to individuals with other traits. This leads to the transmission of advantageous traits to future generations.
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If glossopteris fossils were found in Antarctica what was the climate of this continent before
Answer:
Glossopteris is a fossilized woody plant, generally tongue-shaped leaf with visible midribs, networking veins and are found to exist in the Permian-Triassic age.
According to the research, glossopteris fossil flora used to grow in a subtropical climatic condition, indicating that the Antarctica initially was a warm place that supported plants like glossopteris to flourish. But, later it transformed into a much more colder climatic region.
Thus, its an important fossil plant that provides evidences that all the continents were once together.
Antarctica is the colder region and most of the alpine tree grows there, Which are adapted to the climatic condition.
Glossopteris has belonged to the plant kingdom and suitably grows in a warmer region. The characteristics of this plant are:-
Needle-like leaf Sunken stomata.If Glossopteris were found in Antarctica, It shows that the climate of Antarctica was warmer in the past time and changed during the course of evolution.
Therefore, The climate of Antarctica was warmer.
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A/An _______ forms around a well when the water table begins to slope toward the well.
Answer: ground water
Explanation:
Answer:groundwater
Explanation:
Select the correct answer
Which of the categories of evidence links an object to a crime scene?
A. suspect object from
B. crime object
c.latent fingerprints
D. trace evidence
Answer:
D
Explanation:
Trace evidence (traced back to the crime)
ANSWER:
The correct option is C: Latent fingerprints. Latent fingerprints are evidences that link a suspect to crime scene.
EXPLANATION:
Fingerprints are considered to be unique for every individual and therefore these can be used as the perfect evidence for matching a suspect to the crime scene. Latent fingerprints are the invisible image transfers of the fingerprints that can be obtained easily by applying fingerprinting powder with oil. This oil makes visible the lines and ridges that can be taken for matching the suspect with the crime scene.What is the purpose of using reverse transcriptase?
A. To make copies of RNA
B. To make mRNA from DNA
C. To make DNA from mRNA
D. To make copies of DNA
Answer:
C
Explanation:
Enables revertroviruses to convert RNA to DNA and then generate this viral DNA
The purpose of using reverse transcriptase is to make DNA from mRNA. Thus, the correct option is C.
What is Reverse transcriptase?Reverse transcriptase may be defined as an enzyme that catalyzes the construction of RNA from a DNA template that was during the process of transcription.
According to the Central Dogma, the conversion of DNA to mRNA is known as transcription while the conversion of mRNA back into the DNA is known as reverse transcription which is facilitated the enzyme reverse transcriptase and secreted by retroviruses.
Therefore, it is well described above.
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Is a hamster a primary consumer? Why?
Answer:
A hamster is a primary consumer because it feeds on primary producers (plants).
Humans are a diploid species. What does this say about their chromosomes?
Which of the following is a biotic component that would help determine the health of an ecosystem
The correct answer is
Species Abundance
I did the test
Who is responsible for our current climate change? Why?
A. Humans, Increased release of CO2 from burning fossil fuels.
B. It is natural, it has happened at the same rate before.
C. We don’t know, there is no scientific evidence for it.
D. Asteroids, when they burn up in the atmosphere they release chemicals that trap heat.
Answer:
A. Humans, Increased release of CO2 from burning fossil fuels.
Humans, Increased release of CO2 from burning fossil fuels is responsible for our current climate change. The correct option is A.
Thus, The vast majority of scientists agree that human activities—particularly the increased emission of carbon dioxide and other greenhouse gases into the atmosphere—are mostly to blame for the current climate change.
Fossil fuels like coal, oil, and natural gas are burned for transportation, industrial activities, and energy generation, and this contributes significantly to the buildup of greenhouse gases in the atmosphere.
The enhanced greenhouse effect is caused by these greenhouse gases, which serve as a blanket to trap heat from the sun.
Thus, Humans, Increased release of CO2 from burning fossil fuels is responsible for our current climate change. The correct option is A.
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how does a pluripotent cell differ from a totipotent cell?
Answer:
Cell potency is referred to as the ability of cells to give rise to give rise to different or number of cell types. More the potency of cell more well it could differentiate into different types of cells. Cell potency is of three basic types; multi-potent, totipotent, pluripotent.
Totipotent cells can be differentiated into any types of cells including embryonic and non-embryonic cells like placenta.
e.g. zygote
Pluripotent cells can differentiate to any type of cells but not the placenta cells.
e.g. embryonic stem cells
_____ is the movement of materials from a higher to a lower concentration
Answer: Diffusion
Explanation:
hy are fatty acids important to the cell membrane? (1 point)
Think about how fatty acids and water do not mix. Also think about the structu
ated fatty acids in the cell membrane.
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The ocean is divided into distinct zones of marine life. Which three factors are
used to define the zones?
Answer:
Three factors are used.
The availability of sunlight.
The distance from shore and
The water depth.
Explanation:
Availability of Sunlight
The photic zone is the upper part of the ocean into which sunlight penetrates.
Distance from Shore
The intertidal zone is the strip of land where the land and ocean meet and overlap, or the zone between high and low tides.
The neritic zone is the marine-life zone that extends from the low-tide line out to the shelf break.
The oceanic zone is the marine-life zone beyond the continental shelf.
Water Depth
The pelagic zone is open zone of any depth. Animals in this zone swim or float freely.
The benthic zone is the marine-life zone that includes any sea-bottom surface regardless of its distance from shore.
The abyssal zone is a subdivision of the benthic zone characterized by extremely high pressures, low temperatures, low oxygen, few nutrients, and no sunlight
Ocean zones are delineated by water depth, distance from shore, and the characteristics of the ocean floor. These factors affect sunlight penetration, nutrient availability, and habitat types, which in turn determine marine life distribution.
The zones of marine life in the ocean are defined by three main factors: water depth, distance from shore, and the ocean floor. The combination of these factors determines the different habitats and the types of marine life that can be found in each zone. Water depth is significant because it influences the amount of sunlight that penetrates the water, which affects photosynthesis and the types of organisms that can thrive. Distance from shore determines the amount of nutrients available, as nutrients tend to be more abundant closer to land due to runoff and other terrestrial influences. Lastly, the ocean floor itself is considered a separate zone, with unique species adapted to live on or in the ocean sediment, away from the influence of sunlight and often under great pressure.
Help Please!!!!!!!!!!!
Describe String Theory. What is the central idea behind it?
In contrast to particle-like points, the one-dimensional "strings" predicted by string theory are the basic building blocks of the cosmos. What we see as particles are essentially vibrations in strings loops, each with an own frequency.
What is concept behind string theory?Theoretical physicists believe that world is composed of tiny vibrating strings, which are smaller than atoms, electrons, or quarks. This concept is known as the string theory.One of the suggested approaches to developing a theory of everything is string theory, which would replace the Standard Model of physics, which can explain everything except gravity, with a model that describes all recognized particles and forces.learn more about string theory here https://brainly.in/question/48907497?msp_srt_exp=6
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Which of the following waves have the highest energy? (4 points)
Gamma waves
Microwaves
Radio waves
Visible light
Answer:
Radio waves
Explanation:
Radio waves have the highest energy out of Gamma waves, Microwaves, and Visible light.
Answer:
A. Gamma rays
Explanation:
I'm pretty sure this is right because gamma rays have the shortest wave length and the highest energy.
Microwaves - used for cooking and satellites
Radio waves - have longest wavelength and lowest energy
Visible light- these waves allow us to see color