One primary function of the cell membrane is A) regulating the flow of simple sugars into or out of the cell B) synthesizing substances by breaking down cell organelles
C) storing carbohydrates, water, and starches for

A) regulating the flow of simple sugars into or out of the cell

Explanation:

the cell membrane regulates what enters and leaves the cell to maintain homeostasis

"a scientist studying a whale and its surroundings would need to understand the structure of atoms in case something was negatively affecting the whale or its surroundings."

explanation:

this was from the link provided:

compost can be added to topsoil as a:

pesticide