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which of the following is a source of methane?
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Asked 1/3/2013 10:41:27 PM
Updated 303 days ago|1/29/2021 8:59:15 AM
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Flagged by Here_To_Help_You [1/29/2021 8:59:15 AM]
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User: which of the following is a source of methane?

Weegy: Methane is created near the Earth's surface, primarily by microorganisms by the process of methanogenesis. It is carried into the stratosphere by rising air in the tropics. [ Uncontrolled build-up of methane in the atmosphere is naturally checked ? although human influence can upset this natural regulation ? by methane's reaction with hydroxyl radicals formed from singlet oxygen atoms and with water vapor. It has a net lifetime of about 10 years,[37] and is primarily removed by conversion to carbon dioxide and water. Methane also affects the degradation of the ozone layer.[38][39] In addition, there is a large (but unknown) amount of methane in methane clathrates in the ocean floors as well as the Earth's crust. Most methane is the result of biological process called methanogenesis. In 2010, methane levels in the Arctic were measured at 1850 nmol/mol, a level over twice as high as at any time in the 400,000 years prior to the industrial revolution. Historically, methane concentrations in the world's atmosphere have ranged between 300 and 400 nmol/mol during glacial periods commonly known as ice ages, and between 600 to 700 nmol/mol during the warm interglacial periods. It has a high global warming potential: 72 times that of carbon dioxide over 20 years, and 25 times over 100 years,[40] and the levels are rising. Recent research suggests that the Earth's oceans are a potentially important new source of Arctic methane.[41] A Bristol University study published in Nature claims that methane under the Antarctic Ice Sheet may yet play an important role globally. Researchers believe these sub-ice environments to be biologically active, in that microbes are converting organic carbon to carbon dioxide and methane.[42] Methane in the Earth's atmosphere is an important greenhouse gas with a global warming potential of 25 compared to CO2 over a 100-year period (although accepted figures probably represent an underestimate[43]). This means that a methane emission will have 25 times the effect on temperature of a carbon dioxide emission of the same mass over the following 100 years. ]
bobfo11|Points 40|

User: which of source of methane.......a[wetlands ]b[foam industry]

Weegy: which of the following is a source of methane.option 1 wetlands
anithasri|Points 40|

User: intraction inside the classroom should genrate...........a[argument]b[information]

Weegy: Gas fields are the main source of Methane
Expert answered|venustas|Points 21|

Question
Asked 1/3/2013 10:41:27 PM
Updated 303 days ago|1/29/2021 8:59:15 AM
2 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by Here_To_Help_You [1/29/2021 8:59:15 AM]
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Wetlands is a source of methane.

Added 303 days ago|1/29/2021 8:55:52 AM
This answer has been confirmed as correct and helpful.
3
Interaction inside the classroom should generate Ideas.

Added 303 days ago|1/29/2021 8:59:13 AM
This answer has been confirmed as correct and helpful.
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