asked 21.1k views
5 votes
Western Europe's air pollution has been reduced through _____.

monitoring water use
increased fuel efficiency
improved engine efficiency
catalytic converters
agricultural intensification

2 Answers

2 votes

Western Europe's air pollution has been reduced through improved engine efficiency.

5 votes
western Europe's air pollution had been reduced through agricultural intensification.
answered
User Arun Karnati
by
8.2k points
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