Question

Short-answer type questions : 1. What is surface water? 2. What is rainwater harvesting? 6. Name the various steps that are used to purify water for city supply. 4. What is water pollution?​

Answer 1

Answer:

1)water that collects on the surface of the ground.

2)Rainwater harvesting is the collection and storage of rain, rather than allowing it to run off.

3)Coagulation and Flocculation. Coagulation and flocculation are often the first steps in water treatment.

Sedimentation. During sedimentation, floc settles to the bottom of the water supply, due to its weight.

Filtration.

4) Water pollution is the contamination of water bodies, usually as a result of human activities, in such a manner that negatively affects its legitimate uses.