John is riding a ski lift to the top of Wildcat Mountain. He removes his gloves and rapidly rubs his hands together to warm them up. What happens when John rubs his hands?
A.
The skin on his hands rapidly conducts heat, similar to metal.
B.
He traps heat between his hands because skin is an insulator.
C.
The particles in his hands vibrate faster because of friction.
D.
Thermal energy moves from his fingertips to his palms.
E.
He simulates a fever that'll raise his core body temperature.
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