In the study of physics, temperature and heat are often confused with each other. Which of the following statements correctly defines these two element?
-
A.
temperature is a measure of the average kinetic energy of the molecules of a substance -
B.
heat is a measure of the total kinetic energy of the molecules in a system -
C.
different materials require different amounts of heat to cause a given change in temperature -
D.
all of the above -
E.
A and B only