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Unformatted text preview: ........... ......................................................................... 221-154 Turn over –6– M01/420/H(3) Option D – Environmental chemistry D1. Two of the greenhouse gases which contribute to global warming are carbon dioxide and methane. (a) Name one other greenhouse gas. [1] ......................................................................... (b) (i) Name one natural and one man-made source of carbon dioxide. [2] Natural: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Man-made: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (ii) Name one natural and one man-made source of methane. [2] Natural: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Man-made: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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This note was uploaded on 05/02/2008 for the course CHEM 142,152,16 taught by Professor Unknown during the Spring '08 term at University of Washington.

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