I think the answer would be C) a place where water heated by magma rises from the ocean floor because it is an opening on the Ocean floor that releases heated mineral - rich water.
The thin outermost layer of the solid Earth is called the crust. The correct option among all the options given in the question is the second option. The crust actually accounts for less than 1 percent of the volume of the Earth. The Earth can actually be divided into four parts and they are crust, mantle, outer core and inner core.
Miscegenation. Hope this helps:)
