1) What increased air pollution in the 20th century? 2) How is acid rain formed? 3) How does air pollution affect the entire ecosystem of the ocean? 4) What is the cause of the ozone layer depletion? 5) Are pesticides and herbicides dangerous for soil? 6) Why do fossil fuels cause the destruction of habitats and rainforest?

Pollution Quiz (Form 11 / Unit 3 / lesson 3)

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