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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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The term obliquity refers to:
The term obliquity refers to:
The term obliquity refers to:
A) Changes in the tilt of the Earth's rotation axis
B) Changes in the distance Earth is from the sun
C) Changes in the direction the north pole points in space
D) Changes in the Earth's magn
dada83   52   1 Reply
6 years ago
The term precession refers to:
The term precession refers to:
The term precession refers to:
A) Changes in the tilt of the Earth's rotation axis
B) Changes in the distance Earth is from the sun
C) Changes in the direction the north pole points in space
D) Changes in the Earth's mag
ebuch_2200   43   1 Reply
6 years ago
Obliquity varies over this time frame:
Obliquity varies over this time frame:
Obliquity varies over this time frame:
A) 11 years
B) 23,000 years
C) 41,000 years
D) 100,000 years
ebuch_2200   35   1 Reply
6 years ago
Which set of conditions below will cause the greatest ice sheet growth in the Northern Hemisphere?
Which set of conditions below will cause the greatest ice sheet growth in the Northern Hemisphere?
Which set of conditions below will cause the greatest ice sheet growth in the Northern Hemisphere?
A) Small eccentricity, large tilt angle, at aphelion during summer
B) Small eccentricity, small tilt angle, at aphelion during summer
C)
dada83   32   1 Reply
6 years ago
What percentage of the increase in global average temperature since 1980 are orbital changes likely ...
What percentage of the increase in global average temperature since 1980 are orbital changes likely ...
What percentage of the increase in global average temperature since 1980 are orbital changes likely responsible for?
A) 0%
B) 25%
C) 33%
D) 50%
dada83   32   1 Reply
6 years ago
What percentage of the atmosphere by volume do greenhouse gases make up?
What percentage of the atmosphere by volume do greenhouse gases make up?
What percentage of the atmosphere by volume do greenhouse gases make up?
A) 1%
B) 5%
C) 20%
D) 25%
dada83   57   1 Reply
6 years ago
Which of the following is NOT a greenhouse gas?
Which of the following is NOT a greenhouse gas?
Which of the following is NOT a greenhouse gas?
A) Nitrous oxide
B) Methane
C) Argon
D) Ozone
dada83   40   1 Reply
6 years ago
Which of the following statements about carbon dioxide is NOT true?
Which of the following statements about carbon dioxide is NOT true?
Which of the following statements about carbon dioxide is NOT true?
A) It is more powerful at trapping heat than water vapor.
B) It can only absorb outgoing radiation in certain wavelengths.
C) Its vertical distribution throughout the
dada83   32   1 Reply
6 years ago
What percentage of human carbon emissions is absorbed by oceans and the terrestrial biosphere?
What percentage of human carbon emissions is absorbed by oceans and the terrestrial biosphere?
What percentage of human carbon emissions is absorbed by oceans and the terrestrial biosphere?
A) 25%
B) 45%
C) 55%
D) 60%
dada83   42   1 Reply
6 years ago
The recent increases in airborne methane gas concentrations is most likely due to:
The recent increases in airborne methane gas concentrations is most likely due to:
The recent increases in airborne methane gas concentrations is most likely due to:
A) Burning biomass
B) Cows
C) Decrease in rice fields
D) Melting permafrost and undersea methane hydrates
ebuch_2200   23   1 Reply
6 years ago
Depletion of ozone in the stratosphere causes:
Depletion of ozone in the stratosphere causes:
Depletion of ozone in the stratosphere causes:
A) Global warming
B) Cooler stratosphere
C) Warmer stratosphere
D) Warmer troposphere
dada83   65   1 Reply
6 years ago
On average, how much cooler would Earth be without greenhouse gases?
On average, how much cooler would Earth be without greenhouse gases?
On average, how much cooler would Earth be without greenhouse gases?
A) 16°C
B) 18°C
C) 20°C
D) 34°C
dada83   49   1 Reply
6 years ago
Why do the middle and upper portions of Earth's atmosphere show a greater warming from increased ...
Why do the middle and upper portions of Earth's atmosphere show a greater warming from increased ...
Why do the middle and upper portions of Earth's atmosphere show a greater warming from increased CO2 than near the surface?
A) High levels of water vapor above the surface mask the effects of increased CO2.
B) There is more CO2 in thes
ebuch_2200   34   1 Reply
6 years ago
On an average day, of the 342 Wm-2 direct solar energy received at the top of the atmosphere, about ...
On an average day, of the 342 Wm-2 direct solar energy received at the top of the atmosphere, about ...
On an average day, of the 342 Wm-2 direct solar energy received at the top of the atmosphere, about how much ends up being absorbed by the Earth's surface?
A) 9%
B) 20%
C) 25%
D) 49%
ebuch_2200   58   1 Reply
6 years ago
The amount of energy that is directed back to the surface from airborne greenhouse gases is about:
The amount of energy that is directed back to the surface from airborne greenhouse gases is about:
The amount of energy that is directed back to the surface from airborne greenhouse gases is about:
A) Half that of the solar radiation absorbed by the surface
B) Equal to the solar radiation absorbed by the surface
C) Double the solar
dada83   64   1 Reply
6 years ago
Earth will likely not find itself in a runaway greenhouse gas effect like Venus because:
Earth will likely not find itself in a runaway greenhouse gas effect like Venus because:
Earth will likely not find itself in a runaway greenhouse gas effect like Venus because:
A) Venus is hot due to it being closer to the sun.
B) Earth does not contain enough CO2.
C) Life and other biological activity remove CO2 from the
dada83   79   1 Reply
6 years ago
During the enhanced greenhouse gas effect, which of the following is NOT true?
During the enhanced greenhouse gas effect, which of the following is NOT true?
During the enhanced greenhouse gas effect, which of the following is NOT true?
A) The radiative top of atmosphere increases in altitude.
B) CO2 in the lower atmosphere warms the surface.
C) Water vapor in the upper atmosphere increases
ebuch_2200   97   1 Reply
6 years ago
The enhanced greenhouse effect will cause the stratosphere to:
The enhanced greenhouse effect will cause the stratosphere to:
The enhanced greenhouse effect will cause the stratosphere to:
A) Cool
B) Warm
C) Increase ozone
D) None of the above
ebuch_2200   54   1 Reply
6 years ago
When black carbon falls on top of snow, what happens to its radiative forcing?
When black carbon falls on top of snow, what happens to its radiative forcing?
When black carbon falls on top of snow, what happens to its radiative forcing?
A) Decreases
B) Increases
C) No change
D) Varies based on latitude
ebuch_2200   78   1 Reply
6 years ago
Why have aerosols for the United States and Europe decreased in the past few decades?
Why have aerosols for the United States and Europe decreased in the past few decades?
Why have aerosols for the United States and Europe decreased in the past few decades?
A) Clean air laws were passed.
B) There is less industry in former Communist countries.
C) China now emits more than the United States.
D) Both
dada83   73   1 Reply
6 years ago
Which of the following has the highest albedo?
Which of the following has the highest albedo?
Which of the following has the highest albedo?
A) Clouds
B) Oceans
C) Tundra
D) Croplands
ebuch_2200   53   1 Reply
6 years ago
Climate sensitivity is the measure of how much average global air temperature will change as a ...
Climate sensitivity is the measure of how much average global air temperature will change as a ...
Climate sensitivity is the measure of how much average global air temperature will change as a result of CO2 increases to this concentration:
A) 280 ppm
B) 360 ppm
C) 392 ppm
D) 560 ppm
dada83   55   1 Reply
6 years ago
Most current climate models estimate climate sensitivity to be between:
Most current climate models estimate climate sensitivity to be between:
Most current climate models estimate climate sensitivity to be between:
A) 0.5°C-3°C
B) 1.5°C-4.5°C
C) 2.5°C-6°C
D) 3°C-8°C
ebuch_2200   66   1 Reply
6 years ago
Climate models suggest that rapid and random climate change (tipping points) could occur when global ...
Climate models suggest that rapid and random climate change (tipping points) could occur when global ...
Climate models suggest that rapid and random climate change (tipping points) could occur when global air temperature changes as little as:
A) 3°C
B) 4°C
C) 6°C
D) 9°C
dada83   130   1 Reply
6 years ago
Consider the idealized three-cell global air circulation model. Explain how the position of these ...
Consider the idealized three-cell global air circulation model. Explain how the position of these ...
Consider the idealized three-cell global air circulation model. Explain how the position of these cells causes large regions of dry and wet climates.
ebuch_2200   68   1 Reply
6 years ago
Describe two processes that cause sea water to become more dense. Also describe two processes that ...
Describe two processes that cause sea water to become more dense. Also describe two processes that ...
Describe two processes that cause sea water to become more dense. Also describe two processes that cause sea water to become less dense.
ebuch_2200   142   1 Reply
6 years ago
Describe how the Coriolis effect and the Ekman pump deflect air and water, respectively. Please ...
Describe how the Coriolis effect and the Ekman pump deflect air and water, respectively. Please ...
Describe how the Coriolis effect and the Ekman pump deflect air and water, respectively. Please consider direction of flow for both the northern and southern hemispheres.
ebuch_2200   54   1 Reply
6 years ago
Describe the mechanics of a tropical monsoon. Be sure to include heating, pressure, vertical motion, ...
Describe the mechanics of a tropical monsoon. Be sure to include heating, pressure, vertical motion, ...
Describe the mechanics of a tropical monsoon. Be sure to include heating, pressure, vertical motion, and precipitation. Which two regions of the world are known for their monsoons?
ebuch_2200   66   1 Reply
6 years ago
The sun emits electromagnetic energy toward Earth and the other planets.
The sun emits electromagnetic energy toward Earth and the other planets.
The sun emits electromagnetic energy toward Earth and the other planets.
dada83   75   1 Reply
6 years ago
The region between the Hadley and Ferrel Cells features a warm, wet climate.
The region between the Hadley and Ferrel Cells features a warm, wet climate.
The region between the Hadley and Ferrel Cells features a warm, wet climate.
ebuch_2200   61   1 Reply
6 years ago
The ITCZ average position is near the equator but it moves northward during northern hemisphere ...
The ITCZ average position is near the equator but it moves northward during northern hemisphere ...
The ITCZ average position is near the equator but it moves northward during northern hemisphere winter.
dada83   68   1 Reply
6 years ago
The leading edge of a large air mass is often known as low pressure.
The leading edge of a large air mass is often known as low pressure.
The leading edge of a large air mass is often known as low pressure.
dada83   40   1 Reply
6 years ago
The global circulation of the oceans is determined by a combination of surface wind flow and water ...
The global circulation of the oceans is determined by a combination of surface wind flow and water ...
The global circulation of the oceans is determined by a combination of surface wind flow and water density differences.
ebuch_2200   59   1 Reply
6 years ago
The equator, mid-latitudes, and the poles (during warmer seasons) feature low salinity water.
The equator, mid-latitudes, and the poles (during warmer seasons) feature low salinity water.
The equator, mid-latitudes, and the poles (during warmer seasons) feature low salinity water.
dada83   62   1 Reply
6 years ago
Surface water that sinks in the thermohaline circulation takes many thousands of years to return ...
Surface water that sinks in the thermohaline circulation takes many thousands of years to return ...
Surface water that sinks in the thermohaline circulation takes many thousands of years to return back to the original surface location.
dada83   73   1 Reply
6 years ago
The Ekman pump always directs water 90 degrees to the right of the wind flow.
The Ekman pump always directs water 90 degrees to the right of the wind flow.
The Ekman pump always directs water 90 degrees to the right of the wind flow.
dada83   43   1 Reply
6 years ago
Monsoons typically form where ocean waters warm faster than the surrounding land masses.
Monsoons typically form where ocean waters warm faster than the surrounding land masses.
Monsoons typically form where ocean waters warm faster than the surrounding land masses.
ebuch_2200   68   1 Reply
6 years ago
During an El Niño, warmer water and lower pressure slide eastward across the Pacific Ocean.
During an El Niño, warmer water and lower pressure slide eastward across the Pacific Ocean.
During an El Niño, warmer water and lower pressure slide eastward across the Pacific Ocean.
dada83   58   1 Reply
6 years ago
Consider the typical mid-latitude low pressure system with its weather fronts that is located in the ...
Consider the typical mid-latitude low pressure system with its weather fronts that is located in the ...
Consider the typical mid-latitude low pressure system with its weather fronts that is located in the eastern United States. Describe the wind flow around this system and how the wind rotation around the pressure center moves various air masses northw
dada83   87   1 Reply
6 years ago
Describe the idealized three-cell global air circulation model. Your description should include the ...
Describe the idealized three-cell global air circulation model. Your description should include the ...
Describe the idealized three-cell global air circulation model. Your description should include the name of each cell, where these cells are located by latitude, the vertical air motions that exist between each cell, the regions of wet vs. dry due to
ebuch_2200   50   1 Reply
6 years ago
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