Question

Photochemical smog is the result of nitrogen and carbon, often from car exhaust, reacting in sunlight. Which describes something that would likely decrease the amount of smog over time?

Multiple choice question.


A)

a decrease in gasoline prices



B)

an increase in the number of cars on the road



C)

a decrease in the price of cars



D)

an increase in cars that use gasoline efficiently

Answer 1

D

Step-by-step explanation:

A-B-C can all cause more smog because there will be more cars on the road due to price drops in cars and gas