Question

mention any three ways by which potable water can be contaminated??

Answer 1

1. Discharge of sewage and industrial waste
2. Animal bathing and washing clothes etc.
3. Throwing waste, corpes etc in water

Answer 2

Answer:

Explanation:

1. Sewage, if improperly disposed, leaks into sub soil and may contaminate underground water supplies.

2. People defecating or urinating near lakes, rivers or ponds may contribute to contamination of water.

3. Animal wastes and washings from dairies, poultries, etc. may also be drained into water bodies.