what isn't it used for?
Carbon and oxygen.
Both carbon (or a carbon compound) and oxygen are used in the formation of carbon dioxide, which contains both elements.
Oxygen and Carbon Dioxide
No it's Oxygen and Carbon
Carbon iron oxide - oxygen = carbon dioxide
Carbon dioxide is a compound of Carbon and Oxygen - CO2
Calcium is used in bones and shells. Carbon is used in sugar and all organic compounds. Oxygen is used in water, sugar, and energy production using ATP.
Oxygen is used and CO2 is produced.
Oxygen is used where as in photo-respiration Carbon dioxide is used. Oxygen used in photosynthesis comes out as carbon dioxide as a bi-product.
used by plants and trees to be turned into oxygen.
Oxygen carbon dioxide
exhaling used oxygen,nitrgen,carbon