| http://www.w3.org/ns/prov#value | - d ground level in the summer, when growing trees and other plants take in the gas, and not enough carbon dioxide up from ground level in the winter.As a result, scientists believed that there was less carbon in the air above mid-latitude and upper-latitude forests, presumably because trees and other plants were absorbing high amounts.Conversely, scientists had assumed a large amount of carbon was
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