The major source of photochemical smog is
A)automobile emissions.
B)industrial emissions.
C)fossil fuel power plant emissions.
D)nuclear power plant emissions.

Question

Quizplus · Accepted Answer

The major source of photochemical smog is automobile emissions, which include nitrogen oxides and volatile organic compounds released from vehicle exhaust. These pollutants react with sunlight and other atmospheric components to form smog. While industrial and power plant emissions also contribute to air pollution, they are not the primary source of photochemical smog.

The Major Source of Photochemical Smog Is