Geochemical Cycles Science 1206. Biological Processes Involved 1.Photosynthesis –Plants convert CO 2 and H 2 O into O 2 and sugar 6CO 2 + 6H 2 O + energy.
Ch. 23 The Atmosphere Ch. 23.1 Characteristics of the Atmosphere.
Cycles in Nature. The Cycles of Matter Three cycles that moves matter among the environment and living things Water cycle Carbon cycle Nitrogen cycle.