Question

15) Harappan
drains were usually uncovered.​

Answer 1

Answer:

Explanation:

The drains were mostly covered and hidden underground. They were covered by a layer of baked bricked which was laid flat across the side walls of the drain. Wider drains were covered with limestone blocks.These were then covered with a layer of mud.

Answer 2

Answer:

Wider drains were covered with limestone blocks. These were then covered with a layer of mud. Small settling pools and traps were built into the system of drainage to allow sediment and other material to collect while the water and smaller particles flowed away.

Harappan site Mohenjodaro has the most impressive drainage system.