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词条 Carbon in Earth's crust
释义
Carbon in Earth's crust
Table
Carbon in Earth's crust
form total amount (Pg* C)
atmospheric CO (as of 1978) 696
oceanic carbon dioxide, bicarbonate ion, and carbonate ion 34,800
limestones, other carbonate sediments 64,800,000
carbonate in metamorphic rocks 2,640,000
total biomass 594
organic carbon in ocean water 996
organic carbon in soils 2,064
organic carbon in sedimentary rocks 12,000,000
organic carbon in metamorphic rocks 3,480,000
*One Pg (abbreviation for petagram) equals one quadrillion (1015) grams. Entries refer to amounts of carbon.
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