Your Full Name:

E-Mail to send results to:

1. Human-made chloroflurocarbons are compounds that contain:

Chlorine, fluorine, and carbon
Chloride, fluoride, and carbon dioxide
Chloride, fluoride, carbon dioxide, and methane
Chlorine, fluorine, carbon dioxide, and halons

2. The phrase “ the enhanced greenhouse effect” refers to:

Future increases in the concentration of greenhouse gases, particularly carbon dioxide and methane
Future depletion of the ozone layer
The scattering, absorption, and reflection of solar radiation by clouds
All of the above

3. Which of the following are NOT among the largest anthropogenic sources of methane?

Cultivated rice paddies
Irrigated fields
Livestock-related enteric fermentation
Biomass burning

4. Though methane absorbs 15 to 27 times more infrared radiation than CO₂, the impact of methane on global warming is much smaller than that of CO₂ because:

Methane emissions are much lower than CO₂ emissions
Methane has a shorter life than CO₂
Both of the above
Neither (a) nor (b)

5. Skin cancer is becoming a common disease in Canada as a result of the increased concentration of greenhouse gases. On average, how many Canadians develop skin cancer annually?

20,000
40,000
60,000
80,000

6. Which of the following negative effects is NOT associated with El Niño?

Droughts
Crop failure
Forest burn
Extinction of tree species

7. Where was acidic precipitation first detected in Canada?

Nova Scotia
Manitoba
Ontario
Alberta

8. Yukon Territory in Canada is not a major source of acid rain because:

it is very cold and pollutants can not travel far
it has a low level of industrial activity
lakes in the area have a large buffering capacity
all of the above

9. Which of the following statement was true about Kyoto Protocol in 1997?

Romania was to reduce its emission of greenhouse gases by 2% of its 1990 level
Canada was to reduce the emission of greenhouse gases by 6% of its 1990 level
South Africa was the only country which represented Africa
All of the above

10. Which of the following measures is NOT used by the Canadian government to reduce the emission of greenhouse gases?

Increased use of public transit
Fuel switching in electricity generation
Phased increases in fuel taxes
Use of more nonrenewable sources of energy

11. In the field of ozone depletion, Canada:

Is a world leader in the research and development of new technology
Has produced the most accurate ground-based ozone monitoring device
Has about 20 million household refrigerators, which contain 5 million kg of ozone-depleting substances
All of the above

12. Carbon dioxide and methane are:

The most important greenhouse gases
Nonrenewable fossil fuels
Byproducts of photosynthesis in actively growing plants
The most important ozone-depleting substances

13. The gas that absorbs the most infrared radiation per molecule in the atmosphere is:

CO₂
H₂O
O₂
CH₄

14. Although the prospect of warmer temperatures is encouraging to some Canadians, the following is also predicted to occur as a result of global warming:

Transportation in the Arctic will be hampered as the permafrost melts
Forest fires will increase as precipitation generally decreases
Populations of insect pests will flourish in the drier conditions
All the above

15. The nation that is the world’ s greatest producer of acidic deposition largely because of its reliance on coal is:

United States
Canada
Norway
China

16. This factor is NOT an important contributor to acidic deposition:

Expanding landfill sites that release CH₄ into the air
Industrial smelting of ores
Burning coal and natural gas for energy
Driving gasoline-powered vehicles

17. Acidic deposition occurs when:

Nitric acid is converted chemically to nitrous oxide in the atmosphere
Calcium carbonate is added to water bodies
Sulphur dioxide is converted chemically to sulphuric acid in the atmosphere
Phosphate detergents are released into water bodies

18. Which of the following is true of the acid rain problem:

The taller smokestacks of the 1960s and 1970s resulted in reduced overall global levels of acidic precipitation
The cross-border travel of the industrial pollutants that cause acid rain was a source of international tension between Canada and the United States in the 1980s
Acid rain is strictly a North American problem due to our high level of industrialization
All of the above

19. The following strategy would help reduce acid rain:

Traffic lanes reserved for buses and carpool vehicles
Bicycle paths
Industrial smokestack scrubbers
All of the above

20. The following is not true of El Niño:

It happens every year around Christmas
It causes high productivity of all fish in the Pacific
It changes the surface temperatures of the sea
It is caused by the invasion of warm water from the western equatorial Pacific to the eastern equatorial region