Geography, among other things, is responsible for the rise and fall of great civilizations. What three things were responsible for the rise and fall of some of the great Mesoamerican civilizations in the Americas?

The Americas constitute one of the world’s four geographical zones. Each of these belts is a large area of the world that developed almost entirely separately from the others during the eras of hunting and gathering and of early agriculture. The four world zones are the Afro-Eurasian zone, the Americas, the Australasian zone, and the Pacific.

Explanation:

the match lol

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )