Carbon cycle

Name: Carbon cycle
Uploaded: 2010-12-04T09:47:10+00:00
Duration: 1 min 53 s
Channel: classontheweb
Description: Carbon is present in the atmosphere as CO2. The concentration of carbon in living matter (18%) is 100times greater than its concentration on the earth (0.19%)

classontheweb

Carbon is present in the atmosphere as CO2. The concentration of carbon in living matter (18%) is 100times greater than its concentration on the earth (0.19%)

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