Mobile sources A) are major contributors to the formation of photochemical smog B) release only small amounts of NO_X and VOCs C) play a minor role in the smog problem of Los Angeles D) have not been linked scientifically to smog formation

Question

Quizplus · Accepted Answer

Mobile sources, such as cars and trucks, are major contributors to the formation of photochemical smog. This type of smog is created when nitrogen oxides (NOx) and volatile organic compounds (VOCs) react with sunlight to form Ozone, a major component of smog.

Mobile Sources