Define pollution.

Define air pollution. What are the main pollutants ?

Define air pollution and discuss the important air pollution control measures.

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.

Given below is a representation of a kind of pollution. Study the same and answer the questions that follow : (i) Name the kind of pollution. (ii) List any three common sources of this pollution (iii) Mention three harmful effects of this pollution on human health. (iv) Explain the term 'Pollutant'. (v) Name two soil pollutants.

Water pollution

Define. Pollutants

How would you define polluted water ?

The addition of any substance to water which leads to change in its physical and chemical characteristics is defined as water pollution. It results in

Choose the correct words to fill in the blanks . Pollutant is defined as , a substance or an agent which causes pollution. …… and ….. are chemical pollutants . Pollutants can be ……. which rapidly break down by ….. process .

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