Name the type of simple machine: a ramp on the back of a moving van.

a)
pully

b)
fulcrum

c)
inclined plane

d)
lever

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.