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_______ waves are unique because of their ability to travel through a vacuum, a space that contains no particles of matter.

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keaganhinkle

electromagnetic waves is the answer.

Answer:

Electromagnetic Waves or EM waves

Explanation:

Electromagnetic waves are very unique in a manner that the do not require an medium to travel and thus they can travel through vacuum as well. The EM wave spectrum consists of various waves which are categorized as per their frequency. EM waves include Gamma rays, x-rays, Ultraviolet rays, Visible, Infrared rays, and radio waves. They travel at a speed of 300000 km/sec.

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