There is evidence to support which of these about Mohenjo-Daro in the Indus River Valley (seen here)?

What role did the waterways of europe play in development of europe's economy

Where is the only location in the united states where you drive on the left side of the road?

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite