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A list of vocabulary items related to the environment protection

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
acid rain   rain which contains large amounts of harmful chemicals as a result of burning substances such as coal and oil  
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carbon dioxide   the gas formed when carbon is burned, or when people or animals breathe out.  
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climate   the general weather conditions usually found in a particular place.  
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deforestation   the cutting down of trees in a large area; the destruction of forests by people.  
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endangered species   endangered birds/plants/species animals or plants which may soon not exist because there are very few now alive.  
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global warming   a gradual increase in world temperatures caused by polluting gases such as carbon dioxide which are collecting in the air around the Earth and preventing heat escaping into space.  
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greenhouse effect   an increase in the amount of carbon dioxide and other gases in the atmosphere which is believed to be the cause of a gradual warming of the surface of the Earth.  
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pollution   damage caused to water, air.... by harmful substances or waste.  
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ozone layer   a layer of air high above the Earth, which contains a lot of ozone, and which prevents harmful ultraviolet light from the sun from reaching the Earth.  
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