Choose the correct option with explanation:
A sound wave is different than a light wave in that a sound wave is
(A) produced by an oscillating object and a light wave is not.
(B) not capable of traveling through a vacuum.
(C) not capable of diffracting and a light wave is.
(D) capable of existing with a variety of frequencies.
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(B) not capable of traveling through a vacuum.
Sound is a mechanical wave and cannot travel through a vacuum. Light is an electromagnetic wave and can travel through the vacuum of outer space.