Microwaves are a form of electromagnetic radiation. Microwave ovens are small household devices that use microwaves to heat and cook food. Which statement MOST likely explains why having a microwave oven emitting microwaves is held to be a safe and common practice?

A Microwaves have much less energy than more damaging waves.

B Microwaves have a very high frequency causing them to be short lived and harmless

C The convenience of quickly heated food is greatly outweighs the dangers of electromagnetic radiation.

D Microwaves are relatively new inventions and do not have enough laboratory testing to demonstrate they are unsafe.