The statement, “An arid or
semi-arid climate occurs where precipitation is greater than potential evaporation”,
is false. A semi-arid climate occurs where the recipitation is below the
potential evaporation. Regions that experiences arid climate receives less than
10 inches of rainfall in an entire year.
It is showing the most populated areas at that time range
Hello There! ^_^
Your question: What were the three main Indian groups before European explorers arrived..?
Your answer: The Mayan, the Aztecs and the Incas were the three main Indian groups before European explorers arrived.
Hope this helps!