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Which color of visible light has the longest wavelength and explain?​

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Answer:

red has the longest wavelength, we know this because when anything that emits light in space since it is moving away from us and it is light years away, by the time the photon emitted reaches us it will seem a red like color if not completely red

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User Molivizzy
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Answer:

red because of how reflective and hydrogen

Step-by-step explanation:

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User Deegee
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