which of the following best defines the carbon cycle?
Acycling of carbon that is essential for life and climate processes
Bcycling of carbon that involves changes between the solid, liquid, and gas phases
Ccycling of carbon dioxide that is essential for life and climate processes
Dcycling of carbon dioxide that involves changes between solid, liquid, and gas phases
Acycling of carbon that is essential for life and climate processes
Bcycling of carbon that involves changes between the solid, liquid, and gas phases
Ccycling of carbon dioxide that is essential for life and climate processes
Dcycling of carbon dioxide that involves changes between solid, liquid, and gas phases