Answer:
B. it relaxes
Explanation:
Antagonisms. one muscle contract while the opposite one relaxes to carry out an action.
I think the correct answer among the choices listed above is option B. For photoperiodism to occur, a plant must use a phytochrome. This is a pigment that plants use to detect light. It is sensitive to light in the red region. Hope this answers the question.
Biochemical processes that’s us the answer
Answer:
i think its the second one