Answer:
The two natural factors are.
Rainfall and river
The two man made factors are
Canal and tube wells
Decomposers break down dead material
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.
Dude I don’t even know because if you multiply 100 by 3.14 it’s 364
