Many of the achievements of the ancient Indus Valley civilization was due to their advanced knowledge of

A.)farming
B.)Mathematics
**C.) weather patterns
D.)geography
What physical feature separates the subcontinent of India from the rest of Asia?

A.
Indian Ocean

** B.
Bay of Bengal

C.
Deccan Plateau

D.
Himalayas

What caused the Indus Valley civilization to disappear?

A.
heavy flooding

B.
drought

**C.
foreign invaders

D.
no known cause