Question

A. Answer the following questions.
1. What is the percentage of water that is available for use by human beings?
2. How are dams useful for the society?
3. How does sweating help us to keep our body cool?
4. What is potable water?
5. What is the role of bleaching powder in municipal water supply?
6. What are the different methods to make water fit for drinking?





please guys urgent​

Answer 1

Questions :-

1. What is the percentage of water that is available for use by human beings?

2. How are dams useful for the society?

3. How does sweating help us to keep our body cool?

4. What is potable water?

5. What is the role of bleaching powder in municipal water supply?

6. What are the different methods to make water fit for drinking?

Answers:-

1) 0.3 percent of water is available for use by human beings .

2)Dams are useful for the society because they provide water for domestic, industry and irrigation purposes , hydroelectric power production and river navigation.

3) When the sweat hits the air, the air makes it evaporate . As the sweat evaporates off your skin, you cool down

4) Potable water comes from surface and ground sources and is treated to levels that that meet state and federal standards for consumption.Drinking water, also known as potable water .

5) For water treatment, it is widely used. It is used for disinfection of water in the treatment process. The chlorine released by the Bleaching powder kills Pathogens .The residual effect of this chlorine protects water from getting infected .

6) The different methods to make water fit for drinking are :-

• Boiling.
• Filtration.
• Distillation.
• Chlorination.

_____________________________