What is the basic role of CO2 in photosynthesis? What is the basic role of CO2 in photosynthesis? CO2 is taken in by plants as a
form of inverse respiration, in which carbon dioxide is "breathed in" and oxygen is "breathed out." CO2 is fixed or incorporated into organic molecules. CO2 is a source of electrons in the formation of organic molecules.
Carson models how the continental crust varies in thickness. Marisol records atmospheric and oceanic temperatures at several beaches. Eliza analyzes seismic wave activity from an earthquake using a computer model.
