Question 1

Based on a survey of U.S. residents completed in 2014, ________ percent of respondents agreed that global warming is occurring.

Accepted Answer

A)   0
B)   10
C)   66
D)   93
E)   100

Question 2

The Copenhagen Accord, an international response to climate change, ________.

Accepted Answer

A)   established specific targets for greenhouse gases
B)   provided a mechanism for enforcement
C)   recommended a target of no more than 2°C rise in global temperature
D)   endorsed geoengineering solutions to climate change
E)   was renounced by the United States and Canada

Question 3

Scientists overwhelmingly agree that Earth's climate is undergoing an abrupt increase in temperature.

Accepted Answer

A) True 
 B)False

Question 4

The organisms potentially impacted by ocean acidification are ________.

Accepted Answer

A)   coral
B)   crustaceans
C)   mollusks
D)   echinoderms
E)   all of these

Question 5

The majority of the increase in heat input to the Earth as a result of global warming has ended up in ________.

Accepted Answer

A)   the oceans
B)   the continents
C)   sea ice
D)   glaciers
E)   the atmosphere

Question 6

Rapid cooling of Earth's climate can be caused by ________.

Accepted Answer

A)   volcanic activity
B)   plate tectonics
C)   solar flares
D)   changes in Earth's orbit

Question 7

Periods of Earth's history with extensive sea ice result in enhanced albedo, leading to more cooling. This is referred to as ________.

Accepted Answer

A)   the CLAW hypothesis
B)   positive feedback
C)   negative feedback
D)   abrupt climate change

Question 8

Less than half of the U.S. population agreed that global warming is occurring, according to a 2014 survey.

Accepted Answer

A) True 
 B)False

Question 9

On average, Earth's surface albedo is about ________.

Accepted Answer

A)   2 percent
B)   7 percent
C)   31 percent
D)   52 percent

Question 10

Man-made chemicals such as CFCs can exhibit ________ times more greenhouse potential than carbon dioxide.

Accepted Answer

A)   0.24 to 0.53
B)   10 to 50
C)   200 to 2000
D)   12000 to 15000

Question 11

Volcanic activity can lead to rapid cooling of Earth's climate because of ________.

Accepted Answer

A)   increasing albedo
B)   decreasing respiration
C)   increasing respiration
D)   decreasing photosynthesis
E)   increasing photosynthesis

Question 12

North Atlantic Deep Water (NADW) formation may become more sluggish, but is unlikely to shut down in the next 100 years.

Accepted Answer

A) True 
 B)False

Question 13

Changes to North Atlantic Deep Water (NADW)  could result in ________.

Accepted Answer

A)   rapid warming of the U.S. east coast
B)   rapid cooling similar to the Little Ice Age
C)   no change in Earth's climate
D)   increased precipitation at high latitudes

Question 14

A climate proxy provides indirect evidence for historical changes in climate.

Accepted Answer

A) True 
 B)False

Question 15

According to the fifth report of the IPCC, a future high-emission scenario will result, by the year 2100, in an average global atmospheric temperature change (relative to the 1986-2005 average)  of ________.

Accepted Answer

A)   0.5°C
B)   1°C
C)   2°C
D)   4.5°C
E)   10°C

Question 16

Sea level can be changed by ________.

Accepted Answer

A)   thermal expansion
B)   melting of glaciers
C)   El Niño
D)   changes in atmospheric pressure
E)   all of these choicesF)  none of these choices

Question 17

A negative feedback mechanism works to enhance a change in the environment.

Accepted Answer

A) True 
 B)False

Question 18

Potential issues with direct injection of CO2 into the deep ocean include all of the following except ________.

Accepted Answer

A)   potential acidification
B)   the legal basis for injecting carbon
C)   potential impacts to the deep-ocean ecosystem
D)   uncertainly in how long the CO2 would stay at depth
E)   All of these choices are correct.F)  None of these choices is correct.

Question 19

Sea level can rise in response to ________.

Accepted Answer

A)   thermal expansion
B)   atmospheric pressure changes
C)   changes in sea ice extent
D)   All of these choices are correct.

Question 20

The relative contribution of common gases in the atmosphere increase as a percentage of the greenhouse effect in which of the following going from lowest to highest percentage?

Accepted Answer

A)   carbon dioxide; methane; CFC-11; CFC-12
B)   CFC-12; CFC-11; methane; carbon dioxide
C)   CFC-11; CFC-12; carbon dioxide; methane
D)   methane; carbon dioxide; CFC-11; CFC-12
E)   methane; CFC-11; CFC-12; carbon dioxide

Exam 16: The Oceans and Climate Disruption

Rapid cooling of Earth's climate can be caused by ________.

Correct AnswerverifiedShow Answer

Potential issues with direct injection of CO2 into the deep ocean include all of the following except ________.

Correct AnswerverifiedShow Answer

The Copenhagen Accord, an international response to climate change, ________.

Correct AnswerverifiedShow Answer

Changes to North Atlantic Deep Water (NADW) could result in ________.

Correct AnswerverifiedShow Answer

Sea level can be changed by ________.

Correct AnswerverifiedShow Answer

The majority of the increase in heat input to the Earth as a result of global warming has ended up in ________.

Correct AnswerverifiedShow Answer

Volcanic activity can lead to rapid cooling of Earth's climate because of ________.

Correct AnswerverifiedShow Answer

The organisms potentially impacted by ocean acidification are ________.

Correct AnswerverifiedShow Answer

Sea level can rise in response to ________.

Correct AnswerverifiedShow Answer

Man-made chemicals such as CFCs can exhibit ________ times more greenhouse potential than carbon dioxide.

Correct AnswerverifiedShow Answer

Scientists overwhelmingly agree that Earth's climate is undergoing an abrupt increase in temperature.

Correct AnswerverifiedShow Answer

On average, Earth's surface albedo is about ________.

Correct AnswerverifiedShow Answer

A climate proxy provides indirect evidence for historical changes in climate.

Correct AnswerverifiedShow Answer

Periods of Earth's history with extensive sea ice result in enhanced albedo, leading to more cooling. This is referred to as ________.

Correct AnswerverifiedShow Answer

A negative feedback mechanism works to enhance a change in the environment.

Correct AnswerverifiedShow Answer

According to the fifth report of the IPCC, a future high-emission scenario will result, by the year 2100, in an average global atmospheric temperature change (relative to the 1986-2005 average) of ________.

Correct AnswerverifiedShow Answer

The relative contribution of common gases in the atmosphere increase as a percentage of the greenhouse effect in which of the following going from lowest to highest percentage?

Correct AnswerverifiedShow Answer

Less than half of the U.S. population agreed that global warming is occurring, according to a 2014 survey.

Correct AnswerverifiedShow Answer

North Atlantic Deep Water (NADW) formation may become more sluggish, but is unlikely to shut down in the next 100 years.

Correct AnswerverifiedShow Answer

Based on a survey of U.S. residents completed in 2014, ________ percent of respondents agreed that global warming is occurring.

Correct AnswerverifiedShow Answer

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