Answer:
erosion and a, weatheri g and b
<span>Most of the nitrogen gas in Earth's atmosphere comes from _____.
</span>
<span>
D. the breakdown of carbon dioxide</span>
If i'm not mistaken amino acids can be used in our body to fuel a process in which cell replication occurs and DNA is made. So to use amino acids as fuel you would have to make sure everything is in correct order and lines up correctly from the time it's released from the nucleus to a ribosome.
Answer:
B. C-G and A-T
Explanation:
The pairings are adenine and thymine and cytosine and guanine
I believe it would be chemical
