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The oldest electromagnetic waves in the universe are referred to as Cosmic Background Radiation.This radiation permeates all of space nearly uniformly, and has an intensity versus wavelength curveidentical to matter at a temperature of 2.7 K (-270° Celsius). This radiation has an intensity peak inwhich portion of the EM spectrum?a) gamma rayb) x-rayc) ultravioletd) white lighte) microwave

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