🎴 Flashcard Mode
Air Pollution: Causes, Effects and Control
Card1 / 15
Mastered0
Review0
QuestionClick to flip
Which gas combines with hydrocarbon emissions from vehicles to form photochemical smog?
AnswerClick to flip back
A
NO2
💡 Explanation:
NO2 combines with hydrocarbon emissions from vehicles to form photochemical smog.