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Action Time Unit 2
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trash can
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nature
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oil
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light switch
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rock
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reduce
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clay
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Earth
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stream
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metal
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natural resource
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pebbles
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furniture
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reuse
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ocean
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desert
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lake
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valley
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air conditioner
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gasoline
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faucet
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glass
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mountain
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island
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river
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volcano
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layers
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litter
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wool
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plastic
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cotton
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pollution
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energy
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rain forest
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