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Witch substance does light travel fastest 1.empty space 2.air 3.water 4.dimond
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20 votes
Witch substance does light travel fastest

1.empty space
2.air
3.water
4.dimond

User Keith Banner
by
5.8k points

1 Answer

4 votes

air and empty space.

User Hardik Thaker
by
6.1k points
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