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Biology 12 Online
OpenStudy (anonymous):

which of the following is true about all electromagnetic waves in a vacuum? a. they all carry the same energy b. they all travel at the same speed c. they all have the same frequency d. they all have the same wavelength

OpenStudy (petiteme):

An electromagnetic wave transports its energy through a vacuum at a speed of 3.00 x 108 m/s

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