Which factors have reduced air pollution in Western Europe? Select all that apply. agricultural intensification catalytic converters cleaner burning fuels improved engines metering water use

Which factors have reduced air pollution in Western Europe? Select all that apply.

agricultural intensification

catalytic converters

cleaner burning fuels

improved engines

metering water use

2 Answers

Which factors have reduced air pollution in Western Europe? Select all that apply. agricultural intensification catalytic converters cleaner burning fuels improved engines meter…

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