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.
The answer is C) GPS fitness monitors
GPS monitors track your location over time, which is a better way of measuring distance traveled than a device that measures the number of footsteps you've taken.
I would say burning and combustion of fuels. hopefully that helps you.
I believe it is C. Swimming
I hope it helped :)
