Infrared Ovens Heat Food by

Infrared ovens heat food by

A) having direct contact with the pan holding the food, which gets hot, and then heats the food.
B) having fans to circulate the heat and cook the food.
C) having electrical magnetic fields excite the molecules in the metal pan holding the food which in turn heats the food.
D) having waves of energy penetrate the food item and induce heat by molecular action.