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Science vocab

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Closing the loop   A link in the circular chain of recycling events that promotes the use of products made with recycled materials.  
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Non-renewable resources   Substances (e.g., oil, gas, coal, copper, gold) that, once used, cannot be replaced in this geological age.  
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Renewable   A naturally occurring raw material or form of energy that will be replenished through natural ecological cycles or sound management practices (e.g., the sun, wind, water, trees).  
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Recycling   Collecting and reprocessing a resource or product to make into new products.  
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Composting   The process of mixing decaying leaves, manure and other nutritive matter to improve and fertilize soil.  
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