More cards in this set

Card 16

Front

What pollutants do internal combustion engines produce?

Back

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Card 17

Front

what are the environmental consequences of the pollutants produced by internal combustion engines?

Back

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Card 18

Front

what do catalytic converters do?

Back

Preview of the front of card 18

Card 19

Front

how do catalytic converters work?

Back

Preview of the front of card 19