Answer:
c - having controlled experiments within ethical limits.
Explanation:
Enzymes are used to speed up reactions. They’re also called catalysts and their main purpose is as a speed boost for reactions
I believe that would be option B inguinal and popliteal.
Hope it helps!
The nicotine indirectly inhibit the CB1 or also known as the
Cannabinoid receptor type 1, which is the one responsible in obesity and
metabolic syndrome, thus, this would explain the weight gain associated with
people who quit smoke as if this is indirectly inhibited, it produces weight
gain.