pick from the following.
(A). glucose.
(B). insulin.
(C). testosterone.
(D). estrogen.
Q: Answer the following question given this paragraph: During adolescence, estrogen causes the changes of puberty. It causes the reproductive organs to mature. It also causes other female traits to develop. For example, it causes the breasts to grow and the hips to widen. Q: What causes the changes of puberty? A:
A:
(D).