Answer:
probably like 30 million if anything
Explanation:
How would you like is to answer that? Is this a true or false? If so it is true. Or would you like us to elaborate? If so, then, the North pole during the summer gets up around. 30 degrees ferinhiet or 0 degrerd Celsius, during the winter it goes down to about -45 degrees ferinhiet or -45 degrees Celsius. In the south pole during the summer it gets up to around -20 degrees ferinhiet or -28 degrees Celsius, during the winter it gets down to -75 degrees ferinhiet or -60 degrees Celsius.
I hope this helps.
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. <span>Disease reduced the population. I hope this would help </span>