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Biology, 29.11.2019 01:31 kobiemajak

How does light travel?
a. light only travels in a vacuum and travels faster when the sound is moving
b. light on only travels in a medium and light travels faster when a sound source is stationary
c. light can travel in a vacuum in the speed varies depending on whether the source is moving or stationary
d. light can travel in the air or a vacuum and the speed is constant weather the light source is stationary or moving

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How does light travel?
a. light only travels in a vacuum and travels faster when the sound is...
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