Question 1

The effect of increased atmospheric carbon dioxide concentrations on plants

Accepted Answer

A) can result in accelerated plant growth. 
B) is reflected in the shorter growing season in northern mid-latitudes. 
C) has substantially dampened seasonal changes in carbon dioxide concentrations. 
D) has so far had only positive results on plants and plant communities. 
A) can result in accelerated plant growth. 
B) is reflected in the shorter growing season in northern mid-latitudes. 
C) has substantially dampened seasonal changes in carbon dioxide concentrations. 
D) has so far had only positive results on plants and plant communities. A

Question 2

In the context of climate change,what is a forcing agent?

Accepted Answer

A forcing agent is an external condition that drives climate change.

Question 3

If the earth's orbit around the Sun were absolutely spherical

Accepted Answer

A) the southern hemisphere would be warmer. 
B) the northern hemisphere would be cooler. 
C) there would be no change because the Sun's energy is constant. 
D) the southern hemisphere would be cooler and the northern hemisphere would be warmer. 
A) the southern hemisphere would be warmer. 
B) the northern hemisphere would be cooler. 
C) there would be no change because the Sun's energy is constant. 
D) the southern hemisphere would be cooler and the northern hemisphere would be warmer. D

Question 4

Which of the following is true of general circulation models?

Accepted Answer

A) They are mere extrapolations of past atmospheric behavior. 
B) They are purely statistical in nature. 
C) They cannot determine the causes of climate change. 
D) They simulate atmospheric and oceanic behavior based on well-established physical theory. 
A) They are mere extrapolations of past atmospheric behavior. 
B) They are purely statistical in nature. 
C) They cannot determine the causes of climate change. 
D) They simulate atmospheric and oceanic behavior based on well-established physical theory.

Question 5

What is nitrogen trifluoride and why is it important?

Accepted Answer

Nitrogen trifluoride is releas

Question 6

Which regions of North America experienced the greatest temperature differences from current values during the last glacial episode of the Pleistocene?

Accepted Answer

A) Pacific Northwest 
B) Southern Florida 
C) Tennessee and South Carolina 
D) little difference across North America 
A) Pacific Northwest 
B) Southern Florida 
C) Tennessee and South Carolina 
D) little difference across North America

Question 7

During ice ages,the ice sheets were thickest and most wide spread in

Accepted Answer

A) the southern hemisphere. 
B) the northern hemisphere. 
C) Europe, and especially Russia. 
D) the south pole. 
A) the southern hemisphere. 
B) the northern hemisphere. 
C) Europe, and especially Russia. 
D) the south pole.

Question 8

Large volcanic eruptions

Accepted Answer

A) increase global temperatures due to the increased albedo of volcanic aerosols. 
B) decrease global temperatures due to the increased albedo of volcanic aerosols. 
C) have no effect on global temperatures despite the increased albedo of volcanic aerosols. 
D) have little effect on the atmosphere unless only a small amount of sulfuric gases are released. 
A) increase global temperatures due to the increased albedo of volcanic aerosols. 
B) decrease global temperatures due to the increased albedo of volcanic aerosols. 
C) have no effect on global temperatures despite the increased albedo of volcanic aerosols. 
D) have little effect on the atmosphere unless only a small amount of sulfuric gases are released.

Question 9

Of the past 2.5 billion years,what % have been ice ages?

Accepted Answer

A) 60-70% 
B) 10-20% 
C) 40-50% 
D) 70-80% 
A) 60-70% 
B) 10-20% 
C) 40-50% 
D) 70-80%

Question 10

The smallest time periods on the geologic column are the ________.

Accepted Answer

The answer of The smallest time periods on the geologic...

Question 11

Should Earth be considered a "warm" planet or a "cold" planet? Explain your response.

Accepted Answer

Earth is most accurately described as a

Question 12

Warmer ocean temperatures results in increasing sea level because

Accepted Answer

A) storm surges make the water warmer. 
B) the saturated adiabatic lapse rate is less than the dry adiabatic lapse rate. 
C) water expands with increasing temperatures. 
D) water expands with decreasing temperatures. 
A) storm surges make the water warmer. 
B) the saturated adiabatic lapse rate is less than the dry adiabatic lapse rate. 
C) water expands with increasing temperatures. 
D) water expands with decreasing temperatures.

Question 13

Milankovitch cycles include all of the following,except

Accepted Answer

A) changes in the eccentricity of the earth's orbit. 
B) changes in the distance between the earth and the Moon. 
C) changes in the earth's obliquity. 
D) precession. 
A) changes in the eccentricity of the earth's orbit. 
B) changes in the distance between the earth and the Moon. 
C) changes in the earth's obliquity. 
D) precession.

Question 14

Continental drift

Accepted Answer

A) is now considered the primary cause of most long-term climate change. 
B) occurs very slowly. 
C) has been correlated with Milankovitch cycles. 
D) did not affect mountain building processes on continents. 
A) is now considered the primary cause of most long-term climate change. 
B) occurs very slowly. 
C) has been correlated with Milankovitch cycles. 
D) did not affect mountain building processes on continents.

Question 15

The input of anthropogenic carbon dioxide into the atmosphere

Accepted Answer

A) comes primarily through deforestation. 
B) does not affect the rate at which the ocean absorbs carbon dioxide. 
C) comes primarily from the Northern Hemisphere. 
D) has been significant from a climate standpoint since the late sixteenth century. 
A) comes primarily through deforestation. 
B) does not affect the rate at which the ocean absorbs carbon dioxide. 
C) comes primarily from the Northern Hemisphere. 
D) has been significant from a climate standpoint since the late sixteenth century.

Question 16

During the mid-Cretaceous period

Accepted Answer

A) corals grew substantially closer to the poles than they do now. 
B) dinosaurs were confined to areas within 10 degrees of the equator. 
C) global temperature was 2-4 degrees Celsius higher than now. 
D) sea level was lower than now. 
A) corals grew substantially closer to the poles than they do now. 
B) dinosaurs were confined to areas within 10 degrees of the equator. 
C) global temperature was 2-4 degrees Celsius higher than now. 
D) sea level was lower than now.

Question 17

When your skin temperature increases,you sweat.Evaporation of perspiration cools the skin.This is an example of

Accepted Answer

A) a positive feedback. 
B) a negative feedback. 
C) atmospheric turbidity. 
D) anthropogenic climate change. 
A) a positive feedback. 
B) a negative feedback. 
C) atmospheric turbidity. 
D) anthropogenic climate change.

Question 18

The Intergovernmental Panel on Climate Change (IPCC)is primarily mandated to

Accepted Answer

A) assess the present state of knowledge concerning climate change. 
B) report on the human and environmental impacts of climate change. 
C) offer mitigation strategies to deal with climate change. 
D) All of these are correct. 
A) assess the present state of knowledge concerning climate change. 
B) report on the human and environmental impacts of climate change. 
C) offer mitigation strategies to deal with climate change. 
D) All of these are correct.

Question 19

Due to the ice-albedo feedback,a reduction in sea ice due to a warming climate

Accepted Answer

A) generates sulfate aerosols which can warm the climate. 
B) leads to an increase in oceanic areas covered by ice. 
C) leads to enhanced warming. 
D) leads to reduced warming. 
A) generates sulfate aerosols which can warm the climate. 
B) leads to an increase in oceanic areas covered by ice. 
C) leads to enhanced warming. 
D) leads to reduced warming.

Question 20

How long ago was the last major peak of glaciation?

Accepted Answer

A) 5,000 years 
B) 20,000 years 
C) 75,000 years 
D) 115,000 years 
A) 5,000 years 
B) 20,000 years 
C) 75,000 years 
D) 115,000 years

The effect of increased atmospheric carbon dioxide concentrations on plants

In the context of climate change,what is a forcing agent?

If the earth's orbit around the Sun were absolutely spherical

Which of the following is true of general circulation models?

What is nitrogen trifluoride and why is it important?

Which regions of North America experienced the greatest temperature differences from current values during the last glacial episode of the Pleistocene?

During ice ages,the ice sheets were thickest and most wide spread in

Large volcanic eruptions

Of the past 2.5 billion years,what % have been ice ages?

The smallest time periods on the geologic column are the ________.

Should Earth be considered a "warm" planet or a "cold" planet? Explain your response.

Warmer ocean temperatures results in increasing sea level because

Milankovitch cycles include all of the following,except

Continental drift

The input of anthropogenic carbon dioxide into the atmosphere

During the mid-Cretaceous period

When your skin temperature increases,you sweat.Evaporation of perspiration cools the skin.This is an example of

The Intergovernmental Panel on Climate Change (IPCC)is primarily mandated to

Due to the ice-albedo feedback,a reduction in sea ice due to a warming climate

How long ago was the last major peak of glaciation?

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Atmospheric Optics Online Only in Masteringmeteorology

Filters

Exam 16: Climate Changes: Past and Future

The effect of increased atmospheric carbon dioxide concentrations on plants

In the context of climate change,what is a forcing agent?

If the earth's orbit around the Sun were absolutely spherical

Which of the following is true of general circulation models?

What is nitrogen trifluoride and why is it important?

Which regions of North America experienced the greatest temperature differences from current values during the last glacial episode of the Pleistocene?

During ice ages,the ice sheets were thickest and most wide spread in

Large volcanic eruptions

Of the past 2.5 billion years,what % have been ice ages?

The smallest time periods on the geologic column are the ________.

Should Earth be considered a "warm" planet or a "cold" planet? Explain your response.

Warmer ocean temperatures results in increasing sea level because

Milankovitch cycles include all of the following,except

Continental drift

The input of anthropogenic carbon dioxide into the atmosphere

During the mid-Cretaceous period

When your skin temperature increases,you sweat.Evaporation of perspiration cools the skin.This is an example of

The Intergovernmental Panel on Climate Change (IPCC)is primarily mandated to

Due to the ice-albedo feedback,a reduction in sea ice due to a warming climate

How long ago was the last major peak of glaciation?

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Atmospheric Optics Online Only in Masteringmeteorology

Filters