Many cars are equipped with a catalytic converter, a device that helps remove hydrocarbons and oxides from car exhaust. As a result, this device helps to
increase the production of ozone. decrease the production of smog. increase the emission of nitrogen. decrease the emission of carbon dioxide.
Question: Many cars are equipped with a catalytic converter, a device that helps remove hydrocarbons and oxides from car exhaust. As a result, this device helps to
A. increase the production of ozone.
B. decrease the production of smog.
C. increase the emission of nitrogen.
D. decrease the emission of carbon dioxide.
Answer: