1) We must ... paper, glass, plastic and batteries. a) recycle b) reduce 2) We should ... the use of energy. a) repair b) reduce 3) We can be creative and ... plastic bottles. a) reborn b) reuse 4) Factories may cause ... a) energy b) air pollution 5) ... affects all animals in the seas and oceans. a) water pollution b) natural resources 6) One of the biggest environmental problems is ... a) deforestation b) noise pollution 7) ... is the increase of average temperatures on Earth. a) pollute b) global warming 8) We should ... more trees. a) plant b) cut down 9) We shouldn't ... the seas. a) reduce b) pollute 10) We should protect ... animals. a) pollution b) endangered 11) We should use ... a) our cars b) public transportation 12) We should use ... energy. a) renewable b) waste 13) We shouldn't ... water. a) save b) waste 14) We shouldn't throw ... on the street. a) waste b) rubbish

7th Grade - Unit 9

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