How does the shape of a parachute affect its speed

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

J. j. thomson’s experiment disproved the theory that an atom

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.