Carbon cycle

[Sarah]

the continuous movement of carbon between different living organisms on earth and between living organisms and the environment, through natural processes like photosynthesis , respiration , and decomposition in the soil, and also the burning of fossil fuels

[Dorothey Allen]

the way that carbon is exchanged between different living organisms on Earth and between living organisms and the environment, for example, when plants take carbon dioxide from the air, and when animals eat plants