Technically, the moon doesn't "change" every night.
The shape APPEARS to change.
These are the phases of the moon or "cycle" of the moon if you prefer to call it.
Hope this helps!
Answer:
The answer is B.
Explanation:
"stressors as drought, famine, and lack of mates."
A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.