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 :

So the question is asking on which of the following choices are the reason why the Indus Valley civilization decline and base on my research, I would say that the answers would be A. The surrounding land was severely deforested , C. Irrigation made the soil salty and unfit for farming and D. Disease reduced the population. I hope this would help 

Answer:

A. The surrounding land was severely deforested , C. Irrigation made the soil salty and unfit for farming and D. Disease reduced the population. i think this helps.

Explanation: