What is acid rain caused by ?, What are biofuels made from ?, What happens to carbon dioxide when trees are cut down ?, What are animals that are in danger of becoming extinct called ? , How are exhaust fumes produced ?, What are Antartica and Greenland covered by ?, Where is the most waste buried ?, What are fish and sea birds threatened by ?, What are dolphins and whales threatened by ?, What is the ozone layer destroyed by ?, Where is the most of the earth's oxygen produced ?, How is food in the world distributed ?, What are tsunamis caused by ?, What kind of petrol do modern cars run on ?, What is thrown out of a volcano when it erupts ?, What is rubbish thrown by people called ?, What are pesticides used for ? , Where are hurricanes formed ? , What is global warming caused by ? , What is climate change caused by ? .

The Environment Quiz (M5L9) Dip in 8

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