Answer:
a stimulus that causes stress
Explanation:
I think it is the y cromazone
During adolescence, puberty begins when the pituitary gland secretes hormones in your bloodstream.
Answer: Control group
Explanation:
Control group is a group which is used as a benchmark or standard for comparison of the changes that occur in the dependent or experimental variable. This group does not receive any treatment in the experiment but only kept for the purpose of comparison with other variables.
In the given study, the use of the group that does not take the drug is the example of the control group.
