Why is damage to the ozone layer a cause for concern ? What steps are being taken to limit this damage ?

Depletion of ozone layer cause

Depletion of ozone layer causes

What damages ozone layer ?

What steps can be taken up to control air pollution ?

Corrosion is a serious problem. Every year an enormous amount of money is spend to replace damaged iron. What step can be taken to prevent this damage ? What will learners infer from this passage ?

What is soil fertility? What steps are to be taken to improve soil fertility?

What steps are to be taken for prevention of water pollution?

This causes damage to iron appliances-