Question

What contributed the most to the decline of the Indus River valley civilization?

A. Earthquakes
O B. Conquest by the Babylonians
O C. Migration of people to China
O D. Waves of migration

Answer 1

A. Earthquakes contributed the most to the decline of the Indus River valley civilization.

Answer 2

D waves of migration is correct answer i think so

unfortunately that is incorrect answer I am sorry