The Internal Energy of a Solid Depends on the Number

Multiple Choice

The internal energy of a solid depends on the number of degrees of freedom available to each atom.Which of the following statements is correct concerning these degrees of freedom in a solid?

A) Three are due to translational,two are rotational,and one is vibrational.
B) Three are due to kinetic,and three from potential energies of vibration.
C) Three are due to translational,and two are rotational.
D) There are three,and all are due to translational motion.
E) Three are vibrational,and three are rotational.