a.Wide open landscapes transport pollutants.
b.Hills and valleys increase the flow of air in valleys
c.Higher temperatures decrease chemical reactions leading to more photochemical smog formation.
d.FOC emissions from certain trees and plants can play a large role in creating photochemical smog.
e.Temperature inversions can help to disperse pollutants.
36.Which of the following statements is true?
a.Temperature inversion occurs when a layer of cold air prevents warm air from rising.
b.Temperature inversions exacerbate pollution problems.
c.Temperature inversions last only a few minutes to a few hours.
d.Normally, cool air near earth's surface expands …show more content…
a.electrostatic precipitator
b.coal gasification
c.fluidized bed combustion
d.burning low sulfur coal
e.energy conservation
79.Which of the following would function as a pollution cleanup method for motor vehicles?
a.Improve motor efficiency.
b.Rely on mass transit and bicycles.
c.Use emission-control devices.
d.Add a charge to new cars based on the amount of pollution they produce.
e.All of these answers.
80.Methods to prevent pollution from motor vehicle emissions include all of the following except
a.improving fuel efficiency and modifying the internal combustion engine to reduce emissions.
b.raising annual registration fees on older, more polluting cars.
c.using pollution control devices.
d.giving subsidies to car makers for each low-polluting, energy-efficient car they sell.
e.restrict driving in polluted areas
81.Of the following motor vehicle fuels, the greatest polluter is
a.gasoline.
b.hydrogen gas.
c.alcohol.
d.natural gas.
e.battery
82.Indoor air pollution could be sharply reduced by
a.modifying building codes to prevent radon infiltration.
b.requiring exhaust hoods or vent pipes for stoves, refrigerators, or other appliances burning natural gas or other fossil