As far as I know of B would be the correct answer but i am not positive
Good luck!!
Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains. A volcanic arc system is a series of volcanoes that form near a subduction zone where the crust of a sinking oceanic plate melts.
The deeper down you get, the colder the water is
"REPRODUCTIVE ISOLATION" needs to occur for speciation to happen.....