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Most of the excessive carbon dioxide that is expected to cause global warming is generated by green plants.

A) True
B) False

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Carbon capture


A) Traps carbon emissions from power plants and forces it underground.
B) Is very expensive.
C) is where carbon emissions can be forced into underground oil wells increasing recovery amounts of the oil.
D) All of these are true.

E) B) and C)
F) C) and D)

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Energy absorbed at the Earth's surface is radiated back to space in the form of


A) Visible light
B) Ultraviolet radiation
C) Infrared radiation (heat)
D) Microwaves
E) Insolation

F) C) and D)
G) A) and C)

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When El Niño occurs, a mass of warm Pacific surface water that is usually pushed westward by winds,


A) surges eastward toward South America.
B) surges northward, toward Japan.
C) sinks and cools substantially.
D) becomes much warmer than usual, strengthening winds

E) A) and B)
F) A) and C)

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Which of the following is NOT a consequence that we are seeing now?


A) 20 of the hottest years on record have occured since 1980.
B) Arctic sea ice has approximately 50% of its thickness compared to 30 years ago.
C) During the last century, global average temperature has increased by 0.6 \circ C.
D) Coral reefs are bleaching due to increased ocean temperatures.
E) All of these statements are true.

F) B) and D)
G) B) and C)

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Which convection cell has warm, moist air rising at 0 \circ latitude and cooler, dry air that sinks at around 30 \circ latitude?


A) Hadley Cell
B) Jet Stream
C) Polar Cell
D) Ferrell Cell

E) All of the above
F) C) and D)

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A band of deserts rings the Earth at about 30 \circ north and 30 \circ south latitude because these are regions of


A) Ascending, cooling air
B) Rising hot air
C) The earth's most intense solar energy
D) Air that cools as it descends
E) Descending, warming air

F) A) and B)
G) C) and E)

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Convection currents in the atmosphere are driven by


A) The different temperatures and densities of warm and cold air masses
B) The jet stream dipping down into the troposphere
C) Forces that scientists cannot yet explain
D) Bursts of energy emitted by the ionosphere
E) The surface winds, which in turn are influenced by the Coriolis effect

F) C) and E)
G) A) and B)

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  -In the diagram, which layer has the most mixing of air? A) I B) II C) III D) IV E) The most mixing of air is found in the border between II and III -In the diagram, which layer has the most mixing of air?


A) I
B) II
C) III
D) IV
E) The most mixing of air is found in the border between II and III

F) A) and E)
G) A) and D)

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As a cold front advances, the warm air is forced to


A) Rise, become warmer, and absorb more moisture
B) Go under the mass of cold air
C) Retreat laterally and become more dense
D) Fall, condense, and lose its moisture
E) Rise, cool, and release its moisture

F) None of the above
G) B) and E)

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As far as we are currently aware, who were the first people to notice the El Niño Southern Oscillation cycle?


A) Scientists studying atmospheric changes
B) Meteorologists
C) Indigenous people in South America
D) Peruvian fishermen
E) Colonial governors in South America from Spain

F) A) and E)
G) A) and C)

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Insolation is a term that means


A) The heat reflectivity of clouds
B) The energy retentive ability of gases
C) The incoming solar radiation
D) The total amount of energy released by the sun
E) The outgoing infrared energy

F) B) and C)
G) A) and B)

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Climate is a description of ________ weather conditions.


A) Long-term regional
B) Stable and unchanging
C) Temporary
D) Temporary local
E) Annual

F) C) and E)
G) B) and C)

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Models of climate change are most in agreement with observed data ______.


A) none of the models agree with observations.
B) when both natural and anthropogenic causes of warming are included.
C) when only natural causes of climate change are used.
D) when only anthropogenic causes of climate change are used.

E) None of the above
F) B) and D)

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Milankovitch cycles involve the periodic ___________ and could be responsible for ________ weather changes.


A) Convection currents in the lower atmosphere; drastic
B) Summer/winter seasonality on the Earth; gradual
C) Wobbling of the earth's axis and orbital shifts; cyclic
D) Tidal cycles from month to month; seasonal
E) Seasons; daily

F) All of the above
G) C) and D)

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When an area of the Earth's surface becomes very hot, the air above it


A) Condenses and cools
B) Warms, expands, and rises
C) Warms, condenses, and releases rain
D) Expands and sinks
E) Condenses and sinks

F) All of the above
G) B) and E)

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The main activity of the IPCC is to _______.


A) refute any evidence that climate change exists
B) make recommendations to UN member nations on climate change.
C) make general assessments of all climate change research at regular intervals of time.
D) make policies to combat climate change

E) B) and C)
F) A) and B)

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Aerosols are


A) Gases produced by industry
B) Tiny particles and droplets suspended in the air
C) The principal gas involved in the greenhouse effect
D) Tiny droplets of a very specific chemical composition
E) The principal gas involved in global warming

F) B) and E)
G) A) and B)

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Proponents of climate change say that given what we know about the probability of the greenhouse effect, the best thing to do is


A) Immediately cease all industrial activity
B) Wait and see how much temperatures change before we change our habits
C) Severely cut back on production of greenhouse gases
D) Not worry about greenhouse gas production
E) Focus on the development of technological advances to help decrease the effects of climate change

F) A) and C)
G) None of the above

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Since biodiversity is usually higher in warmer, milder climates, biodiversity will probably be increased with global warming.

A) True
B) False

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