18. Work in pairs and decide whether these statements are true or false.

Correct the false ones.

1. The environment includes both human (man-made), social and phys-

ical (natural) features.

2. Human interference with the environment does not cause anyenviron-

mental problems.

3. When oil, gas and coal are being burnt by power stations nitrogen ox-

ides are released into the atmosphere.

4. Acid rain increases the acidity levels of rivers, lakes and seas.

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5. Global warming is the worldwide warming ofthe atmosphere.

6. Plants and animals can survive in polluted water.

7. Petroleum products get into water by means of accidental spills from

ships, tanker trucks, pipelines, and leakyunderground storage tanks.