If the earth did not rotate on its axis then the atmosphere would only circulate on its poles and the equator in a simple back and forth pattern.
I think its ADP because it breaks off the third phosphate.
Answer:
I believe it is A, but I could be wrong.
Explanation:
I think this, because when it says, "Other, less useful, versions of the genetic code were eliminated gradually throughout the course of evolution", I think it referencing to the fact that all animals and etc, are made up of common codes, and how over time, through evolution, certain codes were eliminated, because creatures were evolving.
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