Question

3. What leads to the pollution of the rivers? Give one
precaution that you will take to control the pollution.​

Answer 1

• Pollution:- Large amounts of fertilizers or farm waste drain into a river the concentration of nitrate and phosphate in the water increases considerably.Water bodies get polluted by waste from factories, houses, hospitals and so on the common pollutants are pesticides and other harmful Chemicals and disease causing germs.

How to stop pollution:-

• Waste water should be treated before being discharged into water bodies. ... People should not bathe, wash, throw garbage and so on in water bodies.

Hope it helps :D

[Do thank/mark my answer]

Answer 2

Answer:

$here \: your \: answer$

Explanation:

•What leads to the pollution of the rivers?

↪️Sources of pollution

If large amounts of fertilizers or farm waste drain into a river the concentration of nitrate and phosphate in the water increases considerably. Algae use these substances to grow and multiply rapidly turning the water green. This massive growth of algae, called eutrophication, leads to pollution.

•Give one precaution that you will take to control the pollution.

↪️On Days when High Particle Levels are Expected, Take these Extra Steps to Reduce Pollution:

• Reduce the number of trips you take in your car.
• Reduce or eliminate fireplace and wood stove use.
• Avoid burning leaves, trash, and other materials.
• Avoid using gas-powered lawn and garden equipment.

Hope it's help you..