Answer:
answer is d I telling my own
The ozone layer keeps harmful rays from the sun also the atmosphere burns up small deburey from rockets, space trash ex. Also small rocks and particles can get burned before hitting the earth. One of the greatest things is it keeps spefic gasses needed for life like oxygen in the world.
Yes. All organisms go through cellular respiration. This is because cellular respiration requires oxygen. Very few organisms can perform respiration without oxygen.
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The answer is internal energy.
