The answer is A because if you want a reliable source of scientific information you should go to an actual scientist at a scientific conference.
Adenosine triphosphate
ATP
<span>External circumferential lamellae</span>
Puberty is defined as the physical changes that occur in the
body as sexual development is stimulated by hormonal changes. Through puberty,
a child's body undergoes the process maturity into that of an adult, who is capable
of sexual reproductive functions.
