Matching Pairs VocabularyOnline version Match the definition to the explanation by Kate Marsur 1 to reuse 2 to protect 3 endangered animals 4 pollution 5 overpopulation 6 to recycle 7 deforestation 8 to disappear 9 global warming 10 environment 11 ecology 12 to reduce relationships between people, animals and plants a problem when too many people live on Earth a big amount of dirt — either in the air, water, or on the ground — that can be harmful or poisonous take the material you no longer need and use it to make another material you need to stop existing in the world start using less of the material you do not really need and take only what you need for living use something again more than once a problem when people cut down too many trees and soon they will be not enough to make oxygen for people a problem when the temperature in the world is becoming higher because of gases such as carbon dioxide (вуглекислий газ) around the Earth keep safe from harm or injury everything that surrounds us, like climate, ground and all the living organisms the kinds of animals that can die soon because there are only a few of them on Earth
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