Question

The formation of photochemical smog is a result of a series of reactions between chemicals in the atmosphere and light. Volatile organic compounds (VOCs) interact with nitric oxide to form ozone and other secondary pollutants. What is the most likely source of VOCs?

A) evaporation from gasoline
B) emissions from volcanic activity
C) sublimation from decaying animal waste
D) evaporation from volatile compounds in sidewalks

Answer 1

A....... Volatile organic compounds (VOCs) are compounds that easily become vapors or gases. VOCs are released from burning fuel such as gasoline, wood, coal, or natural gas.