Question

What is meant by water pollution? Write down its main harmful effects.​

Answer 1

Water pollution refers to the contamination of water bodies by the introduction of harmful substances into the water as a result of human activities.

• The main harmful effects are as follows:

1. It affects human health as contaminated water makes one sick on consumption. Water borne pathogens spread via this method.

2. Leads to a major problem of biomagnification, thereby harming aquatic and human life.

3. Algal bloom stimulated which further reduces oxygen concentration in water( leads to eutrophication). This can also harm wildlife that rely on water bodies.

Answer 2

Answer:

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