What contributed to the decline of the Indus Valley civilization?
Select all correct answers.
(A)The surrounding land was severely deforested.
(B)Indus Valley populations migrated to Central Asia and Africa.
(C)Diseases reduced the population.
(D)Centuries of floods made the soil salty and unfit for farming.
(E)Volcanic eruptions covered the land with molten lava.
(WILL GIVE BRAINLYST)
