Heat can be transferred through conduction, convection, and radiation. What is necessary in order for heat to be transferred by
conduction? A.
Heat must be transferred in the form of currents.
B.
The objects must be in direct contact with one another.
C.
Heat must be transferred through space.
D.
The substances must be liquids or gases.
Groundwater is below the surface, and using the process of elimination, you will be left with the first choice, carves landscapes from BELOW the surface.
