Pick the answer that would make the following statement true. The force exerted by gravity on kg = N.

Group of answer choices
A. 100 kg, 1000 N
B. 1 g, 9 N
C. 1000kg, 100 N
D. 9 kg, 1 N

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.