Which of the following definitions correctly describes the naturally occurring carbon cycle?

The carbon cycle is a series of natural processes through which atmospheric nitrogen is converted by carbon into compounds used by plants and animals.

The carbon cycles is a series of naturally occurring processes where carbon and oxygen are exchanged between organisms and the environment.

The carbon cycle is a series of naturally occurring processes where carbon is exchanged between organisms and the environment.

The carbon cycle is a series of water transformations of water where it changes into water vapor and then converts to liquid water.