Answer:
Make reclamation mandatory after limestone has been removed
Explanation:
Answer: Option (4)
Explanation: Mine reclamation must be adopted in order to carry out agricultural activities after mining is over in a particular place. This method helps in regaining the essential ingredients upto some extent, for future cultivation.
This method must be adopted before the mining starts. The surface water as well as the ground water can be prevented from getting contaminated by the mining activities. The area selected for mining should be at an isolated place, away from the human inhabitants.
Thus, the correct answer is option (4).
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
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.
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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who discovered cell ? and when it was discovered?
Answer:
Robert Hooke in 1665
Answer: Robert Hooke
Explanation: Robert Hooke discovered the cell, the basic structural, functional, and biological unit of organisms, in 1665... PF
What is responsible for the uneven heating that drives wind and ocean
currents from day to day?
O
A. Earth's tilt
O
B. Microclimates
O
C. Precession
O
D. Earth's revolution
Answer:
A
Explanation:
The earth is tilted at an average of 23.5 degrees. This means that in some seasons, the north pole is tilted towards the sun and in some seasons it is tilted away from the sun. The sun seems to vary in position over an year as the earth revolves around the star. The sun, therefore, variably and differentially heats the regions of the earth. The regions that are heated more form low-pressure system that drives winds.
the answer is , earth's tilt.
Humans are a diploid species. What does this say about their chromosomes?
Why aren’t blueberries blue?
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.
Which of the following is a human-made factor that can change climate?
O
A. Agriculture
B. Respiration
O
C. Volcanoes
O
D. The solar cycle
SUBMIT
Answer:
The answer is
A. Agriculture
Answer:
A. Agriculture
Explanation:
Above answer is correct! I just want to assure you!
Other questions are similar and have different answers btw but keep looking ; )
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:
Discuss the scientific evidence that supports the idea that sexual orientation is greatly influenced by biology.
Answer: It's in the blood
Explanation: Sexuality is usually influenced by Biology because, sexual attraction; or love in this case, is usually brought on from genes passed on from previous generations,Sexuality can also be influenced by a parent with their preferred sexuality.
Answer:
It can be said that science implies that there is a difficult interaction between biological factors, which conditions when a person is attracted to people of the same sex, the opposite sex or both.
Explanation:
The scientific evidence identifies five possible chromosomal regions, in these variants it is shown with a significant frequency that the individuals of a sample that comment have had relations with individuals of the same sex. Although it is noted that the link between biology and homosexual behavior is very complex, since different variants appear that are different between men and women, and without an association between the presence of these genes and a high or low proportion of homosexual relationships.
The goal of a statement of purpose is:
A. to explain why an experiment is being done.
B. to make accurate measurements.
C. to record observations during an experiment
D. to testa hypothesis.
Answer:
pretty sure its D
Explanation:
The goal of a statement of purpose in a scientific experiment is to explain why the experiment is being conducted. It involves defining the specific problem or objective the experiment seeks to address, leading to the formulation of a hypothesis which will later be tested through the experiment's design, option A is correct.
The goal of a statement of purpose in the context of scientific experiments is to define the primary reason or objective behind conducting the experiment. Typically, this involves outlining the specific problem or question the experiment seeks to address, which leads to the development of a hypothesis. The statement of purpose serves as a guidepost for designing the experiment, ensuring that the methods, measurements, and observations are aligned with testing the hypothesis.
In the scenario provided, the correct answer to the question is A. to explain why an experiment is being done. This is because before moving forward with the experimental design and especially before making any measurements or observations, it is critical to understand the why—the purpose—of the experiment. This clarity informs both the approach to the experiment as well as the interpretation of the results that follow.
A statement of purpose is not primarily about making accurate measurements, recording observations, or testing a hypothesis, although these are also critical components of the scientific method. The statement of purpose is meant to establish the raison d're of the entire process—a narrative that communicates the experiment's objectives to others and sets the stage for the subsequent steps.
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
Liquids and proteins are both types of what?
Answer:
they are classes of food
Explanation:
liquid are water
Liquids and proteins are both types of matter. Proteins, composed of amino acids, are typically either globular or fibrous and have critical functions within organisms. Liquids are a state of matter with definite volume but changeable shape.
Explanation:Liquids and proteins are both types of matter. Matter can exist in various states, including solids, liquids, and gases. Most proteins are either globular or fibrous and play critical roles in organisms. They are made up of chains of amino acids and serve various functions in the body. Globular proteins are soluble in water and have a spherical shape. Examples include hemoglobin in blood and egg albumin from egg whites. These proteins play major roles such as transporting fatty acids and maintaining a proper balance of osmotic pressures in the body.
Liquids, on the other hand, are a state of matter that has a definite volume but can change shape depending on the container. Unlike solids, the molecules in a liquid are not fixed in place and can move with respect to each other. Like gases, they are considered fluids as they yield to shearing forces.
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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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_______ 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:
It can be inferred that humans... A. Have no impact on global warming B. Have a small impact on causing global warming C. Can stop global warming easily D. Have a large impact on causing global warming
Answer:
D
Explanation:
We have a large impact on global warming.
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:
Where do homologous chromosomes exchange genetic material through crossing over? A. Centrosomes B. Centromeres C. Chiasma D. Chlorophyll
Answer:
A. Centrosomes
Explanation:
Homologous chromosomes exchange genetic material through crossing over Centrosomes.
ANSWER:
The correct option is C: Chiasma. Homologous chromosomes share genetic information in chiasma during crossing over.
EXPLANATION:
Chiasma is basically a point of contact or a physical link between two chromatids. These chromatids belong to homologous chromosomes and any genetic information can be exchanged at this point of contact. This exchange takes place generally during meiosis rather than mitosis. The exchange of genetic information and material via the chiasma brings about chromosomal segregation in a proper manner.The Kingdoms
Instruction Active
Identifying Kingdoms
QUICK CHECK
For each of the following, read the characteristics and then identify the kingdom,
is multicellular, eukaryotic, autotrophic, and has a cell wall comprised of cellulose
is multicellular, eukaryotic, heterotrophic, and lacks a cell wall.
is multicellular, eukaryotic, heterotrophic, and has a cell wall comprised of chitin.
DOWE
Final answer:
Organisms with multicellular, eukaryotic, autotrophic characteristics, and cellulose cell walls are identified as Kingdom Plantae. Those multicellular, eukaryotic, heterotrophic, and without cell walls belong to Kingdom Animalia. Multicellular, eukaryotic, heterotrophic organisms with chitin cell walls are classified under Kingdom Fungi.
Explanation:
To identify the kingdoms based on the given characteristics:
Organisms that are multicellular, eukaryotic, autotrophic, and have a cell wall comprised of cellulose belong to the Kingdom Plantae. These organisms are characterized by their ability to perform photosynthesis and are typically non-motile.Organisms that are multicellular, eukaryotic, heterotrophic, and lack a cell wall are part of the Kingdom Animalia. These animals ingest their food and are often motile, with specialized tissues.Organisms that are multicellular, eukaryotic, heterotrophic, and have a cell wall comprised of chitin are classified under the Kingdom Fungi. They absorb nutrients from their environment and can be either unicellular or multicellular.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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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.
Which type of fatty acid would result in a lipid that is the most liquid?
A. Cis polyunsaturated
B. Trans polyunsaturated
C. Monounsaturated
D. Saturated
Monounsaturated fatty acid would result in a lipid that is the most liquid.
They start to harden when chilled. Saturated fats and trans fats are solid at room temperatureWhy are monounsaturated fat liquid at room temperature?It is because of the kinks in the hydrocarbon tails, unsaturated fats can't pack as closely together, making them liquid at room temperature.
Which fats are healthy?Monounsaturated fats and polyunsaturated fats are known as the good fats because they are good for heart, cholesterol, and overall health.
These fats can help to:
Lower the risk of heart disease and stroke.Lower bad LDL cholesterol levels, while increasing good HDL.Prevent abnormal heart rhythms.Lower triglycerides associated with heart disease and fight inflammation.Lower blood pressure.Prevent atherosclerosisHence, C option is correct.
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Final answer:
A. Cis polyunsaturated fatty acids lead to the most liquid lipids because their kinked shapes prevent tight packing, making them fluid at room temperature.
Explanation:
The type of fatty acid that would result in a lipid that is the most liquid is A. Cis polyunsaturated. This is because cis polyunsaturated fatty acids have kinked shapes due to the presence of multiple cis double bonds, which prevent them from packing tightly together, thereby lowering their melting point. As a result, lipids composed of cis polyunsaturated fatty acids are more fluid and remain in a liquid state at room temperature compared to their saturated, trans polyunsaturated, and monounsaturated counterparts. Examples of these fatty acids include saturated fatty acid (e.g., stearic acid), polyunsaturated fatty acid (e.g., linoleic acid), and monounsaturated fatty acid (e.g., oleic acid).
The atomic mass of the most common isotope of carbon is _______. The element with an atomic number of 4 is _______. _______ exist in orbitals around the nucleus. Oxygen has _______ protons in the nucleus. An isotope of an element has the same number of protons but a different number of _______.
Answer:
6 ,Be electrons ,8,neutrons (mass number)
Answer:
1. 24
2. beryllium
3. Electrons
4. 8
5. neutrons
Explanation:
Which Punnett square represents a cross between two parents that are heterozygous for purple flowers?
Anything that looks like this:
Answer:A
lol took 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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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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Is a hamster a primary consumer? Why?
Answer:
A hamster is a primary consumer because it feeds on primary producers (plants).
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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The pea has a haploid number of seven chromosomes, the diploid number would be
Answer:
14
Explanation:
The diploid number is the haploid number times 2.
Answer: It would be double
Explanation: The diploid cells are the cells that have a double number of chromosomes, that is, they have two series of chromosomes. For example, if the pea has an haploid number of seven chromosomes the diploid number should be fourteen chromosomes.
To explain a bit more, the somatic cells of the human being contain 46 chromosomes; that is the diploid number. So, the diploid cells are the cells that have a double number of chromosomes, that is, they have two series of chromosomes. But, in the process of meiosis the reproductive cells will have finally, the haploid number of 23