How did the Indus people use rivers?

The Indus people used water from rivers for multiple purposes, most notably for: religious ceremonies, drinking water, wash themselves, properly treat their fields, etc. The original Indus farmers preferred to live near rivers and or any body of water, simply because the water would better keep their land healthy and grass greener. It was also amazing for growing select crops.

It would be around the egyptian area.

which of the following is a subsurface event that takes place during the rock cycle?

  cementing  erosion  melting  weathering