Question

Why do the cells in all living things need energy?

a. to fuel their chemical reactions
b. to help them decompose
c. to communicate with other cells
d. so they can block sunlight

Answer 1

a. to fuel their chemical reactions

Step-by-step explanation:

Cells aren't meant to decompose things, there's no reason for them to communicate with other cells, and cells blocking sunlight just doesn't make much sense.

I hope this helps! :D

Answer 2

A. to fuel their chemical reactions

How would energy help them decompose? And how would it help them communicate with other cells? Even better, the cell doesn't NEED to communicate to other cells. And they don't need to block sunlight, and in-fact kind of need it. So the only common sense answer I can think of is A.