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Flura [38]
3 years ago
9

NEED HELP TODAY

Physics
2 answers:
larisa86 [58]3 years ago
7 0

Answer:

B- It is a constant when the light is traveling in a vacuum.

Explanation:

"Light in a vacuum always travels at the same speed." Those additional three words in a vacuum are very important. A vacuum is a region with no matter in it. So a vacuum would not contain any dust particles (unlike a vacuum cleaner, which is generally full of dust particles)

Free_Kalibri [48]3 years ago
6 0

Answer:

I am pretty sure it is B My friend hope you are well

Explanation:

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