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.
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.
Chapter1: Introduction To Phlebotomy
Section: Chapter Questions
Problem 4.5E
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"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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