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

Choose all answers that are correct.

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

B.
Indus Valley populations migrated to Central Asia and Africa.

C.
The surrounding land was severely deforested.

D.
Volcanic eruptions covered the land with molten lava.

E.
Diseases reduced the population.

Question

Which are thought to have contributed to the decline of the Indus Valley civilization?
 
Choose all answers that are correct.
 
 A.
Centuries of floods made the soil salty and unfit for farming.
 
 B.
Indus Valley populations migrated to Central Asia and Africa.
 
 C.
The surrounding land was severely deforested.
 
 D.
Volcanic eruptions covered the land with molten lava.
 
 E.
Diseases reduced the population.

paki · Answer

what you guess here about the asnwer...?