Question

How this lockdown has reduced the level of air pollution

Answer 1

Explanation:

Because factories are closed and no of vehicles are very less on road this reduce air pollution

Answer 2

Answer:

Lock down reduced the pollution of air and water pollution: The factories are making the pollution in both the resources air and water and also the vehicle are not running on the road. But during lock down the people not going outside of their home. And the factories are closed.

In this way the pollution has reduced.

Hope's it help you.