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OpenStudy (anonymous):
What is the electromagnetic spectrum? A. the complete collection of electromagnetic waves, from radio waves to gamma rays B. the rainbow of colors seen in an oil coating on an electromagnet C. the complete collection of all colors of light, arranged from red to violet D. a device such as a diffraction grating or prism that separates light into colors
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OpenStudy (michele_laino):
it is A by definition of spectrum of electromagnetic waves
OpenStudy (anonymous):
ohh okie! thank you!!
OpenStudy (michele_laino):
ok! :)
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