Question

Which are thought to have contributed to the decline of the Indus Valley civilization?



Choose all answers that are correct.



A.


Indus Valley populations migrated to Central Asia and Africa.


B.


Centuries of floods made the soil salty and unfit for farming.


C.


The surrounding land was severely deforested.


D.


Volcanic eruptions covered the land with molten lava.


E.


Diseases reduced the population.

Answer 1

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Answer 2

if not the answers are
A.
Diseases reduced the population.
D.
Volcanic eruptions covered the land with molten lava.
E.
Centuries of floods made the soil salty and unfit for farming.