Question

observed decline in the bird population in an area near a lake after
industrial unit in the same area

Answer 1

Hey mate I can't understand ur question

Answer 2

This is due to the pollution of lake water by the DDT from the industries. The fish present in the water consumed those DDTs and later it is mixed in the food chain. Birds that consume those breaths are also affected as DDT calcium affects metabolism. As a result, the egg shell of the birds is not developed properly, causing the initial breakdown of the sphere and the embryo is less developed. After the establishment of the industrial unit in the same area, the bird population falls in one area near the lake.

• Stack smoke from thermal power plants, forest fires, volcanic eruptions etc.

• Garbage disintegration also discharges undesirable gases in the air.

• Excessive use of fossil fuels by automobile and industries release particles and air pollutants.

• Use led gasoline..