Question 1

Currently, ___________ releases more carbon dioxide per person than any other country in the world.

Accepted Answer

A)   the United States
B)   China
C)   Russia
D)   Mexico
E)   France

Question 2

Infographic 21.1.

-Refer to Infographic 21.1. What change is depicted in the infographic? What changes to weather are expected when the curve shifts to the right?

Accepted Answer

An increase of a few degrees in the aver...

Question 3

Further changes in global climate will have a significant effect on world forests. Global climate changes will impact both mean annual ______ and ______, which will cause shifts in tree populations.

Accepted Answer

A)   temperature; precipitation
B)   logging; precipitation
C)   oxygen availability; temperature
D)   nitrogen levels; carbon dioxide levels
E)   temperature; available sunlight

Question 4

Explain how clouds can participate in both positive and negative feedback loops.

Accepted Answer

Some clouds have high albedo (more refle...

Question 5

Based on computer modeling of climate change, the current increase in temperatures can be attributed to natural causes.

Accepted Answer

A) True 
 B)False

Question 6

Global warming is an aspect of

Accepted Answer

A)   climate
B)   weather
C)   extreme weather
D)   a particular location's air temperature
E)   all of these answers

Question 7

Which of the following is NOT an aspect of climate?

Accepted Answer

A)   long-term patterns or trends
B)   useful for predicting weather
C)   timing of seasonal shifts
D)   winter lows and summer highs hover close to expected norms
E)   a few warmer days here and there

Question 8

A variety of factors can warm or cool the planet. Which of the following is a positive forcer (warming effect) ?

Accepted Answer

A)   cloud albedo effect
B)   aerosols
C)   stratospheric ozone
D)   black soot on snow
E)   deforestation

Question 9

The actual temperature on any given day is the _________, while the range of expected values, based on location and time of year, is the __________.

Accepted Answer

A)   climate; weather
B)   albedo; radiative forcer
C)   weather; climate
D)   prediction; weather
E)   forecast; reality

Question 10

What changes to regional climate have been observed by the Minnesota Department of Natural Resource's climatology office?

Accepted Answer

A)   Over the past two decades, springtime has come a week or two sooner than the historical average.
B)   Eight of the state's 20 warmest years have been recorded since 1981.
C)   Minnesota logged three mild winters in a row, each with record highs.
D)   A, B, and C have been observed.
E)   None of these answers has been observed.

Question 11

Which of the following is an anthropogenic forcer?

Accepted Answer

A)   volcanic eruptions
B)   fossil fuel combustion
C)   sunspot cycles
D)   orbital eccentricity
E)   none of these answers

Question 12

________ is(are)  anything that alters the balance of incoming solar radiation relative to the amount of heat that escapes out into space.

Accepted Answer

A)   A radiative forcer
B)   Albedo
C)   Radiation forcers
D)   Milankovitch cycles
E)   Climate enforcers

Question 13

Describe the difference between mitigation and adaptation as it applies to climate change. Provide an example of each.

Accepted Answer

Mitigation refers to efforts intended to...

Question 14

What could happen to the boreal forests of northern Minnesota within the next century?

Accepted Answer

A)   Warmer soil could lead to fewer paper birch trees.
B)   There could be an increased presence of temperate species such as the red maple.
C)   There could be a northward migration of spruce trees.
D)   They could vanish.
E)   All of these answers are correct.

Question 15

Describe how Milankovitch cycles help explain past climate change. Explain why the current warming cannot be attributed to these cycles.

Accepted Answer

Warm periods and ice ages of the past ca...

Question 16

Which of the following sources are NOT used to reconstruct past climate?

Accepted Answer

A)   ice cores
B)   sediment cores
C)   tree rings
D)   coral reef growth layers
E)   All of these sources are used.

Question 17

Which is FALSE regarding positive feedback loops?

Accepted Answer

A)   They are changes caused by an initial event that then accentuates that original event.
B)   An example is melting sea ice in the Arctic.
C)   They can cause rapid changes.
D)   They always indicate a "positive" or beneficial event.
E)   None of these answers are false.

Question 18

Potential effects of climate change likely include all of the following EXCEPT _______.

Accepted Answer

A)   an increase in the proportion of land area in severe drought
B)   heat extremes in some areas
C)   colder winters in some regions
D)   increased fire risk in boreal North America
E)   All of these answers are possible.

Question 19

How is a positive feedback loop different from a negative feedback loop? Provide an example of each.

Accepted Answer

A positive feedback loop is any change c...

Question 20

Global climate change has had numerous effects on the Earth. Which of the following has been a result of global climate change?

Accepted Answer

A)   increase in insect pest populations
B)   rise in infectious tropical diseases
C)   uncoupling of community connections
D)   increase in coastal flooding
E)   all of these answers

Exam 21: Climate Change- When the Trees Leave: Scientists Grapple With a Shifting Climate- Alternatives to Fossil Fuels

Infographic 21.1. -Refer to Infographic 21.1. What change is depicted in the infographic? What changes to weather are expected when the curve shifts to the right?

Correct AnswerverifiedAn increase of a few degrees in the aver...View AnswerShow Answer

Which of the following is an anthropogenic forcer?

Correct AnswerverifiedShow Answer

________ is(are) anything that alters the balance of incoming solar radiation relative to the amount of heat that escapes out into space.

Correct AnswerverifiedShow Answer

Which is FALSE regarding positive feedback loops?

Correct AnswerverifiedShow Answer

Explain how clouds can participate in both positive and negative feedback loops.

Correct AnswerverifiedSome clouds have high albedo (more refle...View AnswerShow Answer

The actual temperature on any given day is the _________, while the range of expected values, based on location and time of year, is the __________.

Correct AnswerverifiedShow Answer

Describe the difference between mitigation and adaptation as it applies to climate change. Provide an example of each.

Correct AnswerverifiedMitigation refers to efforts intended to...View AnswerShow Answer

Describe how Milankovitch cycles help explain past climate change. Explain why the current warming cannot be attributed to these cycles.

Correct AnswerverifiedWarm periods and ice ages of the past ca...View AnswerShow Answer

What could happen to the boreal forests of northern Minnesota within the next century?

Correct AnswerverifiedShow Answer

Currently, ___________ releases more carbon dioxide per person than any other country in the world.

Correct AnswerverifiedShow Answer

A variety of factors can warm or cool the planet. Which of the following is a positive forcer (warming effect) ?

Correct AnswerverifiedShow Answer

Potential effects of climate change likely include all of the following EXCEPT _______.

Correct AnswerverifiedShow Answer

Based on computer modeling of climate change, the current increase in temperatures can be attributed to natural causes.

Correct AnswerverifiedShow Answer

What changes to regional climate have been observed by the Minnesota Department of Natural Resource's climatology office?

Correct AnswerverifiedShow Answer

Global climate change has had numerous effects on the Earth. Which of the following has been a result of global climate change?

Correct AnswerverifiedShow Answer

Which of the following sources are NOT used to reconstruct past climate?

Correct AnswerverifiedShow Answer

Global warming is an aspect of

Correct AnswerverifiedShow Answer

How is a positive feedback loop different from a negative feedback loop? Provide an example of each.

Correct AnswerverifiedA positive feedback loop is any change c...View AnswerShow Answer

Which of the following is NOT an aspect of climate?

Correct AnswerverifiedShow Answer

Further changes in global climate will have a significant effect on world forests. Global climate changes will impact both mean annual ______ and ______, which will cause shifts in tree populations.

Correct AnswerverifiedShow Answer

Correct Answer
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An increase of a few degrees in the aver...
View Answer

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Some clouds have high albedo (more refle...
View Answer

The actual temperature on any given day is the _, while the range of expected values, based on location and time of year, is the __.

Correct Answer
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Mitigation refers to efforts intended to...
View Answer

Correct Answer
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Warm periods and ice ages of the past ca...
View Answer

Correct Answer
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A positive feedback loop is any change c...
View Answer

Correct Answer
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Further changes in global climate will have a significant effect on world forests. Global climate changes will impact both mean annual and , which will cause shifts in tree populations.

Correct Answer
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