Question

Mark each statement that correctly identifies a current theory on why the Indus Valley civilization declined.
A.
The surrounding land was severely deforested.

B.
Foreign conquerors forced the people to leave.

C.
Irrigation made the soil salty and unfit for farming.

D.
Disease reduced the population.

E.
Indus Valley populations migrated to Central Asia and Africa.

Answer 1

What do you think?
(I did this test)

Answer 2

@gravedigger ?

Answer 3

I can't help you unless you tell me what you think the answer is.

Answer 4

i think it is c

Answer 5

ac and d