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Card 6

Front

how to reduce pollution in the atmosphere?

Back

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Card 7

Front

what is made in car engines and comes out in the exhaust?

Back

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Card 8

Front

what causes acid rain?

Back

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Card 9

Front

what is the monicle of carbon dioxide?

Back

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Card 10

Front

what is the monicle of water?

Back

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Card 11

Front

what is the monicle of carbon monoxide?

Back

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Card 12

Front

what is the monicle of nitrogen monoxide?

Back

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Card 13

Front

what is burning also called?

Back

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Card 14

Front

what fossil fuels are hydrocarbons?

Back

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Card 15

Front

what is a hydrocarbon?

Back

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