Question

I protect living things from the harmful rays of the sun

Answer 1

ozone layer
.........................

Answer 2

The ozone layer protects the earth from the harmful ultra violet rays of the sun.

If the ozone layer was not present as a shield surrounding the earth, the UV rays of the sun would have entered the earth and would cause many diseases including skin cancer.

But due to excessive air pollution the ozone layer is getting destroyed.

So we should careful about this