I believe that the answer is A, if I am not mistaken!
James B. Connolly of Massachusetts was the first modern Olympic champion to be rewarded with a silver medal. He represented the Suffolk Athletic Club
<span>1) regulation of enzyme activity. 2) regulation of enzyme production.</span>
Answer:
The independent variable is "controlled" or held constant in the control group.
Explanation:
Narcotics mimic the brain’s internal system....