What do you know about each of the four greenhouse gases seen in the graph above? The major contributor of CO₂ is the combustion of fossil fuels. Managed forests act as a sink, absorbing CO₂ from the atmosphere. Fluorinated gases have the lowest global warming potential (GWP). As global warming continues, permafrost melts, releasing huge amounts of methane into the atmosphere. The emissions of fluorinated gasses have decreased because they are also ozone-depleting substances.

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Chapter1: Introduction To Phlebotomy
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ect the correct answers. Click again to unselect answers. Leave the incorrect answers unselected.
Figure 1. Global Greenhouse Gas Emissions by Gas, 1990-2010
Emissions (million metric tons
of carbon dioxide equivalents)
50,000
40,000
30,000
20,000
10,000
0
1990
1995
2000
Year
HFCs, PFCs, and SF,"
Nitrous oxide
Methane
Carbon dioxide
2005
2010
Transcribed Image Text:ect the correct answers. Click again to unselect answers. Leave the incorrect answers unselected. Figure 1. Global Greenhouse Gas Emissions by Gas, 1990-2010 Emissions (million metric tons of carbon dioxide equivalents) 50,000 40,000 30,000 20,000 10,000 0 1990 1995 2000 Year HFCs, PFCs, and SF," Nitrous oxide Methane Carbon dioxide 2005 2010
Gases that trap heat in the atmosphere are called greenhouse gases. Each of these gases can remain in the atmosphere for different
amounts of time, ranging from a few years to thousands of years. All of these gases remain in the atmosphere long enough to become
well mixed, meaning that the amount that is measured in the atmosphere is roughly the same all over the world, regardless of the sou
of the emissions. For each greenhouse gas, a Global Warming Potential (GWP) has been calculated to reflect how long it remains in th
atmosphere, on average, and how strongly it absorbs energy. Gases with a higher GWP absorb more energy, per pound, than gases wit
lower GWP, and thus contribute more to warming Earth. (EPA.GOV)
What do you know about each of the four greenhouse gases seen in the graph above?
The major contributor of CO₂ is the combustion of fossil fuels.
Managed forests act as a sink, absorbing CO₂ from the atmosphere.
Fluorinated gases have the lowest global warming potential (GWP).
As global warming continues, permafrost melts, releasing huge amounts of methane into the atmosphere.
The emissions of fluorinated gasses have decreased because they are also ozone-depleting substances.
The application of nitrogen fertilizers accounts for the majority of N₂O emissions in the United States.
Transcribed Image Text:Gases that trap heat in the atmosphere are called greenhouse gases. Each of these gases can remain in the atmosphere for different amounts of time, ranging from a few years to thousands of years. All of these gases remain in the atmosphere long enough to become well mixed, meaning that the amount that is measured in the atmosphere is roughly the same all over the world, regardless of the sou of the emissions. For each greenhouse gas, a Global Warming Potential (GWP) has been calculated to reflect how long it remains in th atmosphere, on average, and how strongly it absorbs energy. Gases with a higher GWP absorb more energy, per pound, than gases wit lower GWP, and thus contribute more to warming Earth. (EPA.GOV) What do you know about each of the four greenhouse gases seen in the graph above? The major contributor of CO₂ is the combustion of fossil fuels. Managed forests act as a sink, absorbing CO₂ from the atmosphere. Fluorinated gases have the lowest global warming potential (GWP). As global warming continues, permafrost melts, releasing huge amounts of methane into the atmosphere. The emissions of fluorinated gasses have decreased because they are also ozone-depleting substances. The application of nitrogen fertilizers accounts for the majority of N₂O emissions in the United States.
Expert Solution
Step 1

"The major contributor of CO2 is the combustion of fossil fuel": Partially correct; combustion of CO2 is the major man-made source of CO2 emission while there are natural contributors to CO2 emissions like decomposition, ocean release, and respiration. 

"Managed forest act as a sink absorbing CO2 from the atmosphere": Correct; Trees use CO2 for photosynthesis.

"Fluorinated gas has the lowest global warming potential": Incorrect; Fluorinated gas has a very high global warming potential up to 22,900 times higher than those of CO2.

 

 

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