The CO2 Producers (The Carbon Sources)
Decaying biomass, and burning of wood through naturally started fires (lightning) all produces significant quantities of carbon dioxide (CO2)
carbon-info.org
Carbon Source: A natural process or living organisms, which releases CO2 into the atmosphere.
Human activity (BI)
Animals
Natural processes
Like humans, other living organisms produce CO2 when breathing the air.
The air taken in contains 0.04% CO2, while the air breathed out contains about 3.7% carbon dioxide.
Humans produce CO2 when breathing the air.
Before industrialisation took hold during the late 19th century, human activity contributed only little to the levels of CO2 found in the earth's atmosphere.
-The CO2 producers