1) sort materials at home a) should b) shouldnt  c) want d) maybe 2) Throw bottle glasses into the any bin a) should b) shouldnt c) have to d) must 3) 3Rs are… a) reuse returns and reduce  b) reuse recycle and remove c) Recover recycle and reduce d) reuse remain and reduce e) reuse recycle and reduce 4) what are crops? a) the ones that we throw away b) the planets c) the green stuffs d) the plant that we grow to eat 5) how can we harm ozone layer? a) eat more b) Use personal transportation c) throw away everything d) use plastic bags 6) scientists are… a) rich people b) plastic collectors  c) working on science d) planet protectors 7) we are destroying a) planet b) fathers lifes c) detergants d) traffics e) pollution 8) you can consume a) Definitely b) probably c) product d) transport 9) you can reuse a) sea water b) trash c) papers d) orange juice

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