Question 1

According to the U.S.Department of Energy,how might the U.S.meet the carbon emission reduction targets in the Kyoto Protocol?

Accepted Answer

A) At a cost of approximately $5 to $10 billion a year. 
B) At a savings of $7 to $37 billion a year. 
C) At a cost of approximately $10 to $15 billion a year and with a risk of higher unemployment. 
D) Without any economic benefits or detriments. 
A) At a cost of approximately $5 to $10 billion a year. 
B) At a savings of $7 to $37 billion a year. 
C) At a cost of approximately $10 to $15 billion a year and with a risk of higher unemployment. 
D) Without any economic benefits or detriments.

Question 2

Sea surface temperatures increased at an average annual rate of 0.07 C° from 1901 to 2012.

Accepted Answer

A) True 
 B)False

Question 3

According to the RCP scenarios,which of the following represents major reductions in CO2 emissions and actions to remove CO2 from the atmosphere?

Accepted Answer

A) RCP8.5. 
B) RCP6.0. 
C) RCP4.5. 
D) RCP2.6. 
A) RCP8.5. 
B) RCP6.0. 
C) RCP4.5. 
D) RCP2.6.

Question 4

The exoskeletons of marine microorganisms provide a valuable clue of past climatic conditions.

Accepted Answer

A) True 
 B)False

Question 5

The annual growth ring added by tree species is known as a varve.

Accepted Answer

A) True 
 B)False

Question 6

Which is a graph that plots monthly averages of CO2 concentrations since 1958?

Accepted Answer

A) PETM. 
B) Younger Dryas. 
C) Keeling Curve. 
D) MCA. 
A) PETM. 
B) Younger Dryas. 
C) Keeling Curve. 
D) MCA.

Question 7

Many scientists consider climate change to be one of the most critical issues facing humankind in the twenty-first century.

Accepted Answer

A) True 
 B)False

Question 8

The United States leads the world in total carbon dioxide (CO2)emissions.

Accepted Answer

A) True 
 B)False

Question 9

Of the following anthropogenic methane (CH4)sources,which is the largest?

Accepted Answer

A) Livestock. 
B) Wastewater treatment. 
C) Agriculture associated fires. 
D) Rice paddies. 
A) Livestock. 
B) Wastewater treatment. 
C) Agriculture associated fires. 
D) Rice paddies.

Question 10

The rate of population growth decreased after 1950.

Accepted Answer

A) True 
 B)False

Question 11

With which does the IPCC Fifth Assessment Report conclude?

Accepted Answer

A) That while climate change is occurring,it is largely natural climate fluctuations. 
B) It is highly doubtful that recent climate trends represent anything more than a temporary perturbation in the long term climate signal. 
C) Humans are likely (95% certainty)responsible for the temperature increase from 1951 to 2010. 
D) There is no consensus on recent climate trends; some maintain it is mostly human-caused,others maintain it is natural fluctuations. 
A) That while climate change is occurring,it is largely natural climate fluctuations. 
B) It is highly doubtful that recent climate trends represent anything more than a temporary perturbation in the long term climate signal. 
C) Humans are likely (95% certainty)responsible for the temperature increase from 1951 to 2010. 
D) There is no consensus on recent climate trends; some maintain it is mostly human-caused,others maintain it is natural fluctuations.

Question 12

Which of the following is the likely link between ocean acidification and increased anthropogenic emissions of carbon dioxide (CO2)?

Accepted Answer

A) Oceans may absorb up to 50% of rising concentrations of rising carbon.When dissolved CO2 mixes with saltwater,carbonic acid forms (H2CO3). 
B) Atmospheric CO2 combines with atmospheric moisture forming a light carbonic acid (H2CO3)that is precipitated over the world's oceans. 
C) Increased photosynthetic activity in phytoplankton resulting from increased atmospheric CO2 concentrations results in acidification due to a complex chemical reaction during plant decay. 
D) Thermohaline circulation exchanges carbon between surface dissolved organic carbon and deep layers of dissolved inorganic carbon. 
A) Oceans may absorb up to 50% of rising concentrations of rising carbon.When dissolved CO2 mixes with saltwater,carbonic acid forms (H2CO3). 
B) Atmospheric CO2 combines with atmospheric moisture forming a light carbonic acid (H2CO3)that is precipitated over the world's oceans. 
C) Increased photosynthetic activity in phytoplankton resulting from increased atmospheric CO2 concentrations results in acidification due to a complex chemical reaction during plant decay. 
D) Thermohaline circulation exchanges carbon between surface dissolved organic carbon and deep layers of dissolved inorganic carbon.

Question 13

What is radiative forcing? List gases and aerosols that have positive or negative radiative forcing.What is the primary source of each.

Accepted Answer

Radiative forcing (climate forcing)descr

Question 14

A definitive link between climate change and extreme weather events has been established.

Accepted Answer

A) True 
 B)False

Question 15

Which is the most abundant greenhouse gas in the atmosphere of Earth?

Accepted Answer

A) Carbon dioxide (CO2). 
B) Methane (CH4). 
C) Water vapour (H2O). 
D) Nitrous oxide (N2O). 
A) Carbon dioxide (CO2). 
B) Methane (CH4). 
C) Water vapour (H2O). 
D) Nitrous oxide (N2O).

Question 16

Some climate feedback loops,such as CO2 weathering feedback,occur over very long time scales.

Accepted Answer

A) True 
 B)False

Question 17

To which do scientists primarily attribute the recent rise in atmospheric concentrations of nitrous oxide (N2O)?

Accepted Answer

A) Automobile combustion. 
B) Agricultural activity. 
C) Wastewater management. 
D) Industrial practices. 
A) Automobile combustion. 
B) Agricultural activity. 
C) Wastewater management. 
D) Industrial practices.

Question 18

Ice cores provide a climate record for how many past years?

Accepted Answer

A) 800 000. 
B) 2 million. 
C) 10 million. 
D) 70 million. 
A) 800 000. 
B) 2 million. 
C) 10 million. 
D) 70 million.

Question 19

Which of the following is a stated ancillary benefit of reducing greenhouse gas emissions?

Accepted Answer

A) Deterioration of air quality. 
B) Increase in renewable and sustainable energy development. 
C) Greater dependence on imported oil. 
D) Elimination of all oil tanker spills. 
A) Deterioration of air quality. 
B) Increase in renewable and sustainable energy development. 
C) Greater dependence on imported oil. 
D) Elimination of all oil tanker spills.

Question 20

According to readings from the Mauna Loa Observatory,CO2 concentrations in May 2013 exceeded which of the following for the first time during the last 800 000 years?

Accepted Answer

A) 100-ppm. 
B) 200-ppm. 
C) 300-ppm. 
D) 400-ppm. 
A) 100-ppm. 
B) 200-ppm. 
C) 300-ppm. 
D) 400-ppm.

According to the U.S.Department of Energy,how might the U.S.meet the carbon emission reduction targets in the Kyoto Protocol?

Sea surface temperatures increased at an average annual rate of 0.07 C° from 1901 to 2012.

According to the RCP scenarios,which of the following represents major reductions in CO2 emissions and actions to remove CO2 from the atmosphere?

The exoskeletons of marine microorganisms provide a valuable clue of past climatic conditions.

The annual growth ring added by tree species is known as a varve.

Which is a graph that plots monthly averages of CO2 concentrations since 1958?

Many scientists consider climate change to be one of the most critical issues facing humankind in the twenty-first century.

The United States leads the world in total carbon dioxide (CO2)emissions.

Of the following anthropogenic methane (CH4)sources,which is the largest?

The rate of population growth decreased after 1950.

With which does the IPCC Fifth Assessment Report conclude?

Which of the following is the likely link between ocean acidification and increased anthropogenic emissions of carbon dioxide (CO2)?

What is radiative forcing? List gases and aerosols that have positive or negative radiative forcing.What is the primary source of each.

A definitive link between climate change and extreme weather events has been established.

Which is the most abundant greenhouse gas in the atmosphere of Earth?

Some climate feedback loops,such as CO2 weathering feedback,occur over very long time scales.

To which do scientists primarily attribute the recent rise in atmospheric concentrations of nitrous oxide (N2O)?

Ice cores provide a climate record for how many past years?

Which of the following is a stated ancillary benefit of reducing greenhouse gas emissions?

According to readings from the Mauna Loa Observatory,CO2 concentrations in May 2013 exceeded which of the following for the first time during the last 800 000 years?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

The Dynamic Planet

Tectonics, earthquakes, and Volcanism

Weathering, karst Landscapes, and Mass Movement

River Systems

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 11: Climate Change

According to the U.S.Department of Energy,how might the U.S.meet the carbon emission reduction targets in the Kyoto Protocol?

Sea surface temperatures increased at an average annual rate of 0.07 C° from 1901 to 2012.

According to the RCP scenarios,which of the following represents major reductions in CO2 emissions and actions to remove CO2 from the atmosphere?

The exoskeletons of marine microorganisms provide a valuable clue of past climatic conditions.

The annual growth ring added by tree species is known as a varve.

Which is a graph that plots monthly averages of CO2 concentrations since 1958?

Many scientists consider climate change to be one of the most critical issues facing humankind in the twenty-first century.

The United States leads the world in total carbon dioxide (CO2)emissions.

Of the following anthropogenic methane (CH4)sources,which is the largest?

The rate of population growth decreased after 1950.

With which does the IPCC Fifth Assessment Report conclude?

Which of the following is the likely link between ocean acidification and increased anthropogenic emissions of carbon dioxide (CO2)?

What is radiative forcing? List gases and aerosols that have positive or negative radiative forcing.What is the primary source of each.

A definitive link between climate change and extreme weather events has been established.

Which is the most abundant greenhouse gas in the atmosphere of Earth?

Some climate feedback loops,such as CO2 weathering feedback,occur over very long time scales.

To which do scientists primarily attribute the recent rise in atmospheric concentrations of nitrous oxide (N2O)?

Ice cores provide a climate record for how many past years?

Which of the following is a stated ancillary benefit of reducing greenhouse gas emissions?

According to readings from the Mauna Loa Observatory,CO2 concentrations in May 2013 exceeded which of the following for the first time during the last 800 000 years?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

The Dynamic Planet

Tectonics, earthquakes, and Volcanism

Weathering, karst Landscapes, and Mass Movement

River Systems

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters