The kinetic or potential energy associated with the motion and position of an object is

a. nuclear energy.

b. thermal energy.

c. gravitational potential energy.

d. mechanical energy.

A person's risk of sunburn on a certain body part is greater the more directly the Sun's rays hit that body part. If a person is walking outside with the Sun directly overhead, what body part has the greatest risk for sunburn? (Assume that none of the body parts mentioned below are covered by a hat or hair or anything.)

C. gravitational potential energy