Question

1)How are dams useful for the society?
2)How does sweating help us to keep our body cool?
3)What is the role of bleaching powder in municipal water supply?
4)What is potable water?
5)What are the different methods to make water fit for drinking?​

Answer 1

Answer:

1. Dams are useful as they are used to store water
2. when air air blows over a body carrying the sweat and making our body cool
3. bleching is used to moke water fit for drinking
4. the water which is fit for human use are called potable water
5. some methods are

• filteration
• sublimation
• sedmentation
• charcoal filteration