What are the cause of air pollution ?

What are the major causes of water pollution? Explain.

Mention the major cause of air pollution in metro cities. Write any three ways by which it can be reduced.

What are the three main causes of water pollution ?

Which causes water pollution?

Which causes water pollution?

Mention five causes of air pollution.

Write the name of an air pollutant.

Name the compounds of sulphur that cause air pollution. Also state their harmful effects.

Which of the following is not a cause of natural pollution ?

Select the correct match of air pollution source with the type of pollutant and the effect it produces.