Question 1

Which of the following would be among the boundary conditions entered into a climate computer model?

Accepted Answer

A)  measurements of atmospheric temperature 
B)  mathematical equations describing the movement of water in the oceans 
C)  measurements of concentrations of greenhouse gases 
D)  mathematical equations describing the flow of energy in the atmosphere 
A)  measurements of atmospheric temperature 
B)  mathematical equations describing the movement of water in the oceans 
C)  measurements of concentrations of greenhouse gases 
D)  mathematical equations describing the flow of energy in the atmosphere

Question 2

Who is the largest greenhouse gas emitter?

Accepted Answer

A)  Japan 
B)  the United States 
C)  China 
D)  the European Union 
A)  Japan 
B)  the United States 
C)  China 
D)  the European Union

Question 3

What is the quickest,cheapest,and most effective way to reduce the buildup of carbon dioxide in the atmosphere?

Accepted Answer

A)  stop deforestation 
B)  increase the efficiency of energy use 
C)  plant trees to trap more carbon dioxide 
D)  switch from fossil fuels to nuclear fuels 
A)  stop deforestation 
B)  increase the efficiency of energy use 
C)  plant trees to trap more carbon dioxide 
D)  switch from fossil fuels to nuclear fuels

Question 4

Which of the following characterizes CFCs?

Accepted Answer

A)  CFCs are stable, odourless, non-flammable, nontoxic, and noncorrosive chemicals. 
B)  CFCs only remain in the atmosphere for two to five years. 
C)  CFCs are important because they help prevent ultraviolet radiation from reaching the Earth's surface by screening it out. 
D)  Over 44 years passed from the first production of CFCs until the first awareness that they could cause environmental damage. 
A)  CFCs are stable, odourless, non-flammable, nontoxic, and noncorrosive chemicals. 
B)  CFCs only remain in the atmosphere for two to five years. 
C)  CFCs are important because they help prevent ultraviolet radiation from reaching the Earth's surface by screening it out. 
D)  Over 44 years passed from the first production of CFCs until the first awareness that they could cause environmental damage.

Question 5

The two greenhouse gases with the largest concentrations are water vapour and ______________________________.

Accepted Answer

The answer of The two greenhouse gases with the largest...

Question 6

The United States,China,and Russia-three of the world's major greenhouse gas emitters-agreed in 2001 to participate in a cap-and-trade program to slow global warming.

Accepted Answer

A) True 
 B)False

Question 7

What is one possible outcome of increased levels of carbon dioxide in the troposphere?

Accepted Answer

A)  The rate of photosynthesis may decrease because there are no other limiting factors. 
B)  More northern species may start to migrate southward. 
C)  Species diversity in tropical rain forests, such as the Amazon, may be altered. 
D)  The number of plant-eating insects in rain forests may decrease. 
A)  The rate of photosynthesis may decrease because there are no other limiting factors. 
B)  More northern species may start to migrate southward. 
C)  Species diversity in tropical rain forests, such as the Amazon, may be altered. 
D)  The number of plant-eating insects in rain forests may decrease.

Question 8

What was a result of meetings concerning the Kyoto Protocol?

Accepted Answer

A)  Ontario and Alberta objected to the Kyoto Protocol. 
B)  Stephen Harper proposed a made-in-Canada solution and withdrew support of the Kyoto Protocol. 
C)  Nunavut, Manitoba, and Quebec supported the Kyoto Protocol. 
D)  George W. Bush withdrew U.S. support of the Kyoto Protocol because of cost and possible loss of jobs for workers. 
A)  Ontario and Alberta objected to the Kyoto Protocol. 
B)  Stephen Harper proposed a made-in-Canada solution and withdrew support of the Kyoto Protocol. 
C)  Nunavut, Manitoba, and Quebec supported the Kyoto Protocol. 
D)  George W. Bush withdrew U.S. support of the Kyoto Protocol because of cost and possible loss of jobs for workers.

Question 9

The term to describe the reflectivity of the different parts of the Earth's surface is ____________________.

Accepted Answer

The answer of The term to describe the reflectivity of...

Question 10

How long was the most recent interglacial period?

Accepted Answer

A)  about 12 000 years 
B)  about 10 000 years 
C)  about 8 000 years 
D)  about 5 000 years 
A)  about 12 000 years 
B)  about 10 000 years 
C)  about 8 000 years 
D)  about 5 000 years

Question 11

Which substance correlates closely with estimated variations in the Earth's mean surface temperature over the past 135 years?

Accepted Answer

A)  CFCs 
B)  ozone 
C)  carbon dioxide 
D)  water vapour 
A)  CFCs 
B)  ozone 
C)  carbon dioxide 
D)  water vapour

Question 12

Which of the following is NOT a likely outcome of a rise in sea levels?

Accepted Answer

A)  contaminated coastal aquifers 
B)  healthier coral reefs 
C)  flooding of the areas containing one-third of the world's population 
D)  accelerated coastal erosion 
A)  contaminated coastal aquifers 
B)  healthier coral reefs 
C)  flooding of the areas containing one-third of the world's population 
D)  accelerated coastal erosion

Question 13

The highest UV index readings in Canada usually occur in the months of August and September.

Accepted Answer

A) True 
 B)False

Question 14

During four months of each year,up to ____________________ of the ozone in the stratosphere over Antarctica is depleted.

Accepted Answer

The answer of During four months of each year,up to...

Question 15

CFCs remain in the troposphere because they are ____________________ in water and chemically unreactive.

Accepted Answer

The answer of CFCs remain in the troposphere because they...

Question 16

CO₂
  
-According to the graph,what correlation is there between temperature change and concentration of carbon dioxide levels in the Earth's atmosphere for the last 10 000 years?

Accepted Answer

as the temperature h

Question 17

How many nations at the 1992 Earth Summit in Rio de Janeiro committed to reducing greenhouse gas emissions to 1990 levels by the year 2000?

Accepted Answer

A)  over 100 
B)  75 
C)  50 
D)  25 
A)  over 100 
B)  75 
C)  50 
D)  25

Question 18

How much ozone is lost in the upper stratosphere over the Antarctic during the Antarctic springtime?

Accepted Answer

A)  a 70 to 80% loss 
B)  a 40 to 50% loss 
C)  a 20 to 25% loss 
D)  a 5 to 10% loss 
A)  a 70 to 80% loss 
B)  a 40 to 50% loss 
C)  a 20 to 25% loss 
D)  a 5 to 10% loss

Question 19

____________________ are the most common chemicals leading to the depletion of the ozone in the stratosphere.

Accepted Answer

Chlorofluo

Question 20

How many years elapsed between the scientific community's first warnings about CFCs and the political community's response to the need to reduce CFCs?

Accepted Answer

A)  1 year 
B)  5 years 
C)  10 years 
D)  15 years 
A)  1 year 
B)  5 years 
C)  10 years 
D)  15 years

Exam 21: Climate Change and Ozone Loss

Which of the following would be among the boundary conditions entered into a climate computer model?

Who is the largest greenhouse gas emitter?

What is the quickest,cheapest,and most effective way to reduce the buildup of carbon dioxide in the atmosphere?

Which of the following characterizes CFCs?

The two greenhouse gases with the largest concentrations are water vapour and ______________________________.

The United States,China,and Russia-three of the world's major greenhouse gas emitters-agreed in 2001 to participate in a cap-and-trade program to slow global warming.

What is one possible outcome of increased levels of carbon dioxide in the troposphere?

What was a result of meetings concerning the Kyoto Protocol?

The term to describe the reflectivity of the different parts of the Earth's surface is ____________________.

How long was the most recent interglacial period?

Which substance correlates closely with estimated variations in the Earth's mean surface temperature over the past 135 years?

Which of the following is NOT a likely outcome of a rise in sea levels?

The highest UV index readings in Canada usually occur in the months of August and September.

During four months of each year,up to ____________________ of the ozone in the stratosphere over Antarctica is depleted.

CFCs remain in the troposphere because they are ____________________ in water and chemically unreactive.

CO₂ -According to the graph,what correlation is there between temperature change and concentration of carbon dioxide levels in the Earth's atmosphere for the last 10 000 years?

How many nations at the 1992 Earth Summit in Rio de Janeiro committed to reducing greenhouse gas emissions to 1990 levels by the year 2000?

How much ozone is lost in the upper stratosphere over the Antarctic during the Antarctic springtime?

____________________ are the most common chemicals leading to the depletion of the ozone in the stratosphere.

How many years elapsed between the scientific community's first warnings about CFCs and the political community's response to the need to reduce CFCs?

Environmental Problems: an Introduction and Overview

Environmental History: Learning From the Past

Science, systems, matter, and Energy

Ecosystems: What Are They, and How Do They Work

Evolution and Biodiversity

Climate and Terrestrial Biodiversity

Aquatic Biodiversity

Community Ecology

Population Ecology

Applying Population Ecology: the Human Population

Sustaining Terrestrial Biodiversity: Managing and Protecting Ecosystems

Sustaining Biodiversity: the Species Approach

Sustaining Aquatic Biodiversity

Food and Soil Resources

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Risk,toxicology,and Human Health

Air Pollution

Water Pollution

Pest Management

Solid and Hazardous Waste

Sustainable Cities

Economics, environment, and Sustainability

Politics, environment, and Sustainability

Environmental World-views, ethics, and Sustainability

Filters