Atmospheric carbon dioxide derives from multiple natural sources including volcanic outgassing, the combustion of organic matter, and the respiration processes of living aerobic organisms; man ...

Climate change: Soil respiration releases carbon Date: July 23, 2014 Source: Carnegie Institution Summary: The planet's soil releases about 60 billion tons of carbon into the atmosphere each year ...

High CO2 hikes soybean plant respiration CHAMPAIGN, Ill., Feb. 9 (UPI) -- U.S. scientists say they've determined soybean leaves grown at the high carbon dioxide levels predicted for 2050 respire ...

High CO2 boosts plant respiration, potentially affecting climate and crops Peer-Reviewed Publication. University of Illinois at Urbana-Champaign, News Bureau ...

ANSWER: Plants use carbon dioxide for photosynthesis and people exhale it as a byproduct of respiration, so it is no wonder you question how plants get the carbon dioxide they need in a ...

AN account of work by C. H. Workman, L. O. Krampitz and R. O. Wood of Iowa State College on the assimilation of carbon dioxide during respiration was given on October 13 during the Autumn Meeting ...