What types of electromagnetic waves are used in cooking and communication?

In cooking, microwave ovens use microwaves, a type of electromagnetic wave, to heat food by causing water molecules to vibrate. In communication, various types of electromagnetic waves, including radio waves, microwaves, and infrared waves, are utilized for transmitting signals over distances, such as in radio broadcasts, mobile phones, and fiber optic communications. Each type of wave has specific properties that make it suitable for different applications in cooking and communication.