The Gaia theory explains the Earths evolution with an ancient living being named Gaia. Gaia has occupied earth since its formation. Gaia started an ongoing process of transformation. The process begins with bacteria and photosynthetic algae extracting carbon dioxide and releasing oxygen into the atmosphere. This oxygen-rich atmosphere then set the stage for the evolution of multi cellular life. The atmosphere also started a process of influencing life and life evolving to influence the atmosphere.
To maintain a constant surface temperature for billions of years a decrease in atmospheric…