Which response occurs because of the hormone auxin?

a. a plant leans toward a light source.
b. a seed germinates.
c. a fruit ripens.
d. a flower blooms.

A plant will lean towards a light source due to auxin.

thus the answer is A

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.

answer; the above statement is (true);