The ring of fire is a circle that is covered with volcanos in its circumference. it erupts more that any other place because the more volcanos their are, the more these events will happen. another reason would be the tectonic plates. volcanos usually form on top of them. you must prepare for these events for your safety. their could be an earthquake any time, no mater where you are.
The primary function of the carbon cycle is to recycle carbon throughout the biosphere, including the atmosphere.
The answer to this question is H.