Which of the following statements is true? A. X-rays have higher frequencies than microwaves. B. UV rays have higher frequencies than gamma rays. C. Gamma rays have lower frequencies than microwaves. D. Infrared rays have lower frequencies than radio waves.

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A because on the EM (electromagnetic) spectrum you will see that the ones that start it out have longer wavelengths which mean they start out with low frequency. so since x-rays come after microwaves than x-rays have a shorter wavelength and a higher frequency.  

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