Cars cause a lot of air _____________., pollution, Don't throw away old boxes. _____________ them to make shelves., reuse, We should _____________ paper, glass, and plastic., recycle, Take your bottles to the _____________., recycling bins, _____________ means to use less of something, like electricity or water., reduce, If you see _____________ on the ground, pick it up!, litter, _____________ kills sea birds and animals., plastic, Don't leave your trash on the beach. Put your _____________ in the bin., waste

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