2. which of the following sets of terms is associated with air pollution caused by burning fossil fuels?
a. acid rain, ozone hole, skin cancer
b. methane, smog, carbon dioxide
c. sulfur dioxide, smog, chlorofluorocarbons
d. carbon dioxide, smog, acid rain
3. which of the following phrases describes a proven method for dealing with the problem of air pollution?
a. laws and treaties that limit or ban pollutants
convincing people to
b. accept pollution
c. voluntary reduction in the numbers of automobiles on the road
d. decreased trade between countries
4. which of the following contributes to air pollution?
a. mowing the lawn
b. watering the lawn
c. burning leaves and brush
d. sprinkling fertilizer around plants