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which are thought to have contributed to the decline of the Indus Valley Civilization?

A. the surrounding land was severely deforested.

B. diseases reduce the population

C. volcanic eruptions cover the land with molten lava

D. centuries of floods made the soil salty and unfit for farming

E. in this Valley population migrated to Central Asia and Africa

Respuesta :

B and E becase the valley is still very good for farming and lots of growth accurs hope this helps
AnimeBrainly
B. diseases reduce the population

Diseases brought by the Europeans had a effective toll in decimating the native people there, since their (the natives) immune system was not strong enough to handle european diseases, like chicken pox, etc

hope this helps

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