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: