Question

which are uses of electromagnetic waves? check all that apply. cooking foods insulating buildings using heat lamps transmitting radio signals using medical imaging lighting rooms cooling refrigerators

Explanation:

Electromagnetic waves have various applications. Microwaves (a type of EM - wave) are used for cooking. Infrared radiation (an EM - wave) is used in heat lamps. Radio waves (EM - waves) are for transmitting radio signals. X - rays and other EM - waves are used in medical imaging. Visible light (an EM - wave) is used for lighting rooms. Insulating buildings and cooling refrigerators do not directly use electromagnetic waves.

Answer:

cooking foods, using heat lamps, transmitting radio signals, using medical imaging, lighting rooms