What is the basis of an organic molecule? a. the basic structure is the carbon atom. b. the basic structure is the potassium atom. c. the basic structure is a carbon monoxide molecule. d. the basic structure is the iron atom.

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explanation:

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.