Which of the following describes how a microwave heats food

Microwaves are so quick and efficient because they channel heat energy directly to the molecules (tiny particles) inside food. Microwaves heat food like the sun heats your face—by radiation.

A microwave heats food by radiation, heat is sent directly to the foods molecules.

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue