1) What is deforestation? a) when ppl are replanting the trees b) when ppl watering the trees c) when all the trees are cut down or destroyed in an area d) damage caused to forest by chemicals 2) What does the word "hibernate " mean? a) to sleep through the winter b) an object is used to represent a country c) to put someone into a dangerous situation d) unique species can be found only in the particular country 3) Give the definition of 'global warming'! a) affecting or including the whole world b) to have a bad effect on sg c) a round object d) an increase in the word's temperature 4) Give the definition of 'rainforest'! a) tropical forest with tall trees b) group of palm trees c) a forest where leaves falling down quickly d) a tropical forest in a rainy area

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