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Unformatted text preview: carbon from the carbon cycle for an indefinite period Maintenance of atmospheric O2 • The long term… Carbonic acid in precipitation and soils • Rain water contains dissolved CO2 and therefore contains carbonic acid H2CO3 • The carbonic acid can dissociate to form bicarbonate ions Long-term inorganic carbon cycle Silicate weathering on land carbonate precipitation and sedimentation in oceans subduction and decarbonation in crust and mantle Plate tectonics Long-term feedbacks...
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This document was uploaded on 11/04/2011 for the course GEOSCI 100 at UMass (Amherst).
- Fall '11