All of the following are characteristics of the serengeti except
a.

large numbers of predators, such as lions
b.

heavy precipitation that falls year-round
c.

seasonal migrations of millions of wildebeests, zebras, and elephants
d.

acacia trees and grasses

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.