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materials for air racer - Coggle Diagram
materials for air racer
metals
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some metals are extracted from the ground while some are allows which is a combination of two or more metals. metal is a finite resource
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plastics
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plastic is made from crude oil or natural gas but there is a plastic made from biomass. plastic made from crude oil and natural gas is finite
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wood?
wood is a infinite resource because you can replant the trees that were chopped down. manmade wood is waste wood the was processed and made into new wood
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