Labels:atomic clock | crt screen | monitor | plant | road | sky | traffic light OCR: DIA NO The process by which electromagnetic energy propagated through free space by photons or the photons themselves The various energies O radiation create the electromagnetic spectrum Radiation can be represented with electric and magnetic lields hence the name "electromagnetic spectrum' AAMMAM Particle emissions, such as alpha particles (helium nuclei composed two protons and two neutrons) or beta particles electrons or positrons) by radioactive elements RADIATIDN fields
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