Which of the following answers correctly explains how light waves and radio waves are different from all mechanical waves? A
Radio waves and light waves can move in a vacuum.
B
Light waves and radio waves slow down in a vacuum. Mechanical waves speed up.
C
Radio waves and light waves transmit energy, but mechanical waves transmit matter

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.