Answer:
The answer is sex.
Explanation:
It is between two people.Pregnancy happens when a man's sperm fertilizes a woman's egg. During sex, semen is ejaculated from the man's penis into the woman's vagina. When the sperm reaches the egg it begins to fertilize. over the course of nine months the fetus will grow into a baby.
Menstruation? Idk if that is right, but it sounds like someone started their period.
I believe the answer is: C. A healthy high school wrestler is using anabolic steroids to build muscle mass.
It is indeed true that anabolic steroid would increase both the strength and the speed for the athletes. But in the long run, those athletes would face various side effects, such as baldness, decreasing size of testicles, impotency , or in some cases it might lead to stroke.
