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Schrift-wk 4.6 Carbon Cycle

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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Question
Answer
the way that living things exchange gasses (ex. people breath)   respiration  
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the process that allows plants to make their own food   photosynthesis  
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the process that constantly exchanges carbon between living things in our environment   carbon cycle  
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plants absorb (take in) this during photosynthesis   carbon dioxide  
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plants release this into the air as a waste product   oxygen  
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humans and animals need to breath in this gas   oxygen  
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plants need these things to make their own food   sunlight, carbon dioxide and water  
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to breath in air   inhale  
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to breath out air   exhale  
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humans and animals release this gas as a waste product   carbon dioxide  
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release   let go  
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retain   keep, hold, remember  
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Created by: kschrift
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