which molecules have a primary function of providing a rapidly available energy source for
living things?
a. proteins
b. carbohydrates
c. fats
d. amino acids

B. carbohydrates

Explanation:
Amino acids help to build protein (amino acids are the monomers to protein)

Proteins provide structural support, aid in metabolism, and are enzymes; catalysts (speed up processes)

Fats are stored, long term energy. (also serve as the lipid bilayer, cushion tissue)

Ithink sanforcisco california (i am not 100% sure) if you feel the opposite so that lol

The correct answer is:       [c]:   "organisms that are sensitive to changes in temperature would die. "