Question

1. Which of the following is not a source of wastewater?
b. Mining
a. Hospitals
C. Rain
d. Domestic activities​

Answer 1

Answer:

Rain is not a source of wastewater.

Answer 2

Answer:

c. Rain ✔

Explanation:

Water pollution:

➤ Water pollution is the contamination of water bodies like rivers, lakes, seas, etc is called water pollution.

• Water pollution is the result of several human activities.

Mining:

➤ Mining use a lot of water in processing ore, so mining pollutes a heavy freshwater and it can seriously affect it.

Hospitals:

➤ Waste coming from the hospitals is directly thrown into the water bodies and that contaminates it and make water polluted. It is harmful for drinking as it generates wide range of waste products in sewage, which ultimately join the water sources.

Rain:

➤ Rain does not pollute water. Rain is the purest form of water that is available on earth. When it comes in the atmosphere sometimes it becomes dirty as it mixes with the pollutants in the environment, but it does not cause water pollution.

Domestic activities

➤ Domestic activities each man uses around 135 litres of water per day for washing clothes. Cooking, Baking, etc most of this water is drained out in domestic sewage. This sewage containing detergents and other pollutants in many cases joint some water body like a river, lake, etc which is which causes poisonous effects.

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