The right answer is B. ☻♥
It is certainly the most efficient system of reproduction.
It doesn't require dating, dinner, movies, courtship, etc.,
and it doesn't even require locating another compatible,
cooperative individual, or even knowing anybody else.
It eliminates all of the preliminaries, and cuts straight to the chase.
Even headaches are irrelevant.
Gold (getting/finding money)
God (get away from religious persecution)
Glory (become powerful)

The Correct choice is C
<u>Demography</u> is the study of human populations and how they grow or decline.
C. formal regions are known as "formal" because of the characteristics known by the people who live there and/or visit there