Answer:
Sample 4.
Explanation:
Oxygen is very important for life, so this should be present.
Carrying compacity affects communities because there is usually limited resources. If a population gets too high, they may die out.
Answer:
So if the size of the pore is small then the rate of the diffusion will be very slow as the molecules will move from high concentration to low concentration in very slow rate.
Explanation:
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Answer: B. Nuclear transfer!
Explanation:
Nuclear transfer is the process that DNA goes through to get cloned/copied. The cells that make new forms of DNA create a perfect replica.
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Answer:
the sun
Explanation:
All the energy in oil, gas, and coal originally came from the sun, captured through photosynthesis. In the same way that we burn wood to release energy that trees capture from the sun, we burn fossil fuels to release the energy that ancient plants captured from the sun.
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