How did geography affect indus river valley civilizations?

a. constant monsoons led to destructive flooding.

b. mountainous terrain resulted in many invasions.

c. landmass formations encouraged trade with neighboring civilizations.

d. flooding separated many settlements from rivers and the arabian sea.

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.

the correct answer is 50.

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