1. Kinds of pollution
Water pollution
Air pollution
Soil pollution
Noise pollution

2. Water pollution.
People throw out rubbish into the rivers

3. Big tankers emit tons of oil into the
sea water. Wild life suffers from this
pollution

4. Big factories pollute the air

5. Noise pollution. There is mach noise in the
big cities because of air jets, city transport
and so on.

6. Car fumes pollute the air we breath

7. The railways change the relief