Question

Q. 3 Write True or False. (05)

1. Waste water is transparent, colourless, and odourless.

2. Water pollution is caused by human excreta

3. Chlorine is used to sterilize the clean water.

4. Rain is the ultimate source of water.

5. Forests increase air pollution.​

Answer 1

Explanation:

1. False

2.False

3.True

4.True

5.False

Answer 2

Answer:

sludge is the solid that floats in the sedimention tank