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?

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:

decrease in prices will cause more driving which causes the smog

increase of cars on the road would cause more smog

decrease in car prices=more people buying cars to drive which causes more smog