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Biology 20 Online
OpenStudy (anonymous):

Which of the following is(are) non-technological ways of improving air quality? a. using public transportation b. building wind turbines c. turning lights off when leaving a room d. both a and c

OpenStudy (abhisar):

A

OpenStudy (abhisar):

In broader sense c can also be the answer

OpenStudy (deepika.comet):

D

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