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Biology 17 Online
OpenStudy (anonymous):

Which is a cost that comes with using coal as an energy source? A. Coal will stay plentiful in the United States. B. When burned, coal produces pollutants that are released into the air. C. Mining coal improves the environment. D. Coal produces less energy than most other energy resources.

OpenStudy (anonymous):

hope it helps

OpenStudy (anonymous):

it might say i am not here but my computar is being glicky

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