Answer: you didn't state the answers to choose from so i"ll just list common organic molicules: nucleic acids, proteins, carbohydrates and lipids.
Explanation:
a) precipitation is balanced by evaporation
It starts with a seed, than when the seed is on the ground it germinates.
<em>it would be b and c</em>
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<em>it's the whole ''ecosystem''</em>
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