â€¢The persistent presence of O2 in the atmosphere is intimately connected with the removal of CO2...

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Chemistry

â€¢The persistent presence of O2 in the atmosphere is intimatelyconnected with the removal of CO2 from the atm as part of theinorganic C cycle.
â€¢What is the chemistry behind it?
â€¢How is the geospheric cycle involved in this?
â€¢We referred to this not as a simple cycle, but as a feedbackloop. How does this feedback loop work?

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3.7 Ratings (322 Votes)

Answer to part 1 There are three important carbon cycles in the earth system the short term organic carbon cycle with emphasis on the interactions between the atmosphere and the biosphere it has terrestrial land and marine ocean components the long term organic carbon cycle with emphasis on the formation and destruction of fossil fuels and other sediments containing organic carbon the long term inorganic carbon cycle with emphasis on calcium carbonate CaCO3 limestone by far the largest of the carbon reservoirs This cycle is linked to thecarbonatesilicate cycle supplying the calcium ions necessary for the formation of limestone In the the short term organic carbon cycle the transfer rates are large but the biospheric reservoir is relatively small whereas in the long term cycles the reverse is true All three of these cycles are linked together as part of the global carbon cycle but we examine them separately because they control atmospheric levels of CO2 on different timescales ranging from months short term organic carbon cycle to tens of millions of years long term inorganic carbon cycle Dividing the carbon cycle in See Answer

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