Peter H. answered 04/15/16
Tutor
New to Wyzant
I can clarify, redefine, and expound on Mathematic Subjects.
The answer is D
Convection currents occur when the heat in a thermodynamic system tries to even its self out. If everything is a uniform temperature, there is no heat movement. Heat is energy, and energy causes movement... the convection currents.
Max P.
04/21/16