A flammable greenhouse gas produced by ruminants, rice paddies and landfill decompostion. Methane

NOT a source for CFCs: A.Leaking air conditioners B.Burning fossil fuel C.Some spay can propellants B. Burning fuel does not release chlorines

The most abundant gas in the troposphere. nitrogen

Which would be most effective in decreasing acid rain deposition? A. Add lime to acidified lakes. B. Use higher smoke stacks. C.Reduce use of fossil fuels. C. Reduce burning of fossil fuels

Which of the following is released by CFC’s and catalyzes a reaction that breaks down ozone? A. Chlorine B. Carbon dioxide C. Sulfur dioxide A. Chlorine

Naturally occurring air pollutant that causes lung cancer. A. Methane B. Carbon monoxide C. Radon

Air pollutant that is implicated in human neurological damage. A. Particulates B. Lead C. Ozone B. Lead

Photosynthesis is the major source of this gas in the troposphere: Oxygen

Particulates can be removed from stack exhaust gases by all of the following methods EXCEPT: A. baghouse filters B. wet scrubbers C. taller smokestacks C. Taller smokestacks

The protective ozone layer is located in this layer of the atmosphere: Stratosphere

One of these is NOT a secondary pollutant: A. Nitrous oxide B. Carbon monoxide C. Peroxyacyl nitrates (PANs) B. Carbon monoxide is primary

Air pollution that is a mixture of primary and secondary pollutants under the influence of sunlight. Photochemical smog

These currently help to moderate the earth’s average temperature by removing about 29% of the excess carbon dioxide: Oceans

The release of this pollutant is a good example of positive feedback – it contributes to global warming which results in the release of more of this gas Methane

What would most directly explain the periodic fluctuation of the curve? Seasonal photosynthetic activity

An anthropogenic source of air pollution means? Human source

VOC’s are more likely to be found in: A. Older homes B. New vehicles C. Coal burning neighborhoods B. New vehicles

The reflectivity of incoming solar energy is called: albedo

The Kyoto Treaty of 1992 is a multinational agreement to attempt to lower what? Greenhouse gasses, primarily CO2

All of these are ozone depleting chemicals EXCEPT: A. Methane B. Carbon tetrachloride C. CFC’s A. methane

Grey smog consists mostly of the following EXCEPT: A. Solid particle B. Sulfur dioxide C. Nitrogen oxide

The type of rock/soil most sensitive to acid deposition. Granite

Natural precipitation should have a pH of 5.6

One of the following is NOT an effect of acid deposition: A. Contribute to the release of metals that are highly toxic. B. Damage statues and buildings. C. Acid shock that kills fish. You knew there had to be one trick question. This is it. They are all effects.

According to the EPA, the most dangerous three indoor air pollutants are: Cigarette smoke Formaldehyde Radon

Name That Pollutant – must have all three correct: 1.88% from coal burning power plants, colorless and irritating, major contributor to acid rain. 2. Colorless and odorless, in cigarette smoke and incomplete combustion. 3. Reddish-brown, converts to an acid in the atmosphere, 50% from vehicle emissions.

Correct answers are: 1. Sulfur dioxide 2. Carbon monoxide 3. Nitrogen dioxide

One of these is NOT a greenhouse gas, which is it? A. CFC’s B. ozone C. nitrous oxide B. ozone

Two elements needed for photochemical smog: A.Nitrogen and sulfur B.Sulfur and hydrogen C.Nitrogen and oxygen C. Nitrogen and oxygen under high temp. in car engine or coal plant