1) Pollution a) b) c) d) 2) Environment a) b) c) d) 3) Air pollution  a) b) c) d) 4) Water pollution a) b) c) d) 5) Land pollution a) b) c) d) 6) Wasted energy a) b) c) d) 7) Habitat a) b) c) d) 8) Eco-friendly product a) b) c) d) 9) Renewable sources a) b) c) d) 10) Recycle a) b) c) d) 11) Turn off the lights a) b) c) d) 12) Keep clean a) b) c) d) 13) Save the earth a) b) c) d) 14) Throw litter/rubbish in the street a) b) c) d)

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