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22 August, 11:50

Which of these human actions has the greatest influence on the quality of air?

A.

building houses

B.

driving cars

C.

creating dams

D.

littering

+2
Answers (2)
  1. 22 August, 12:30
    0
    B

    Explanation:

    Driving cars is one of the main problems for the air quality. It produces a significant amounts of nitrogen oxides, carbon monoxide, and other pollution.
  2. 22 August, 13:19
    0
    cars it should be
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