State four steps to be taken to control air pollution.

State the main steps to be taken to prevent water pollution.

List five ways to control water pollution.

State four measure to control noise pollution.

Name one device for controlling air pollution.

Which of the following actions can be taken to control noise pollution ?

The given figures represent two devices A and B used to control air pollution. Identify them and select the correct answer.

Study the picture given below and answer the following questions : (i) Identify the type of pollution. (ii) Name one pollutant that causes the above pollution. (iii) Mention the impact of this pollution on human health. (iv) State one measure to control this pollution. (v) What is a 'Pollutant ? Explain the term.

Describe the major components of air pollution.

What are the devices used by industries to control air pollution?

Mention five causes of air pollution.