Question

TRUE-FALSE
1. Domestic wastewater does not contain microorganisms.
2. The first step in the treatment of wastewater is to pass the wastewater
through grit tank.
3. Aeration tank contains aerobic bacteria.
4. Contaminated water is suitable to drink.
5. We should not throw cooking oil and paints in the sink.
6. Septic tank is used in cities.
​

Answer 1

Answer:

1) False

5)true

Explanation:

hope it will help you....

Answer 2

Answer:

1. false

2. false

3. true

4. false

5. true

6. true