Question

what two characteristics do all forms of energy known as electromagnetic radiation have in common?

Answer 1

"Electromagnetic radiation is always a transmission of photons. Photons travel in a straight line at the speed of light, (299,792,458 m/s or 670,616,629 mph) unless something causes them to bend or slow down a little bit. The types include Radio-Waves, Microwaves, Infra-red, Visible Light, Ultra-Violet Light, X-Rays and Gamma Rays."
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