abswaleed07 abswaleed07
  • 21-03-2021
  • English
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n a perfect vacuum, light waves travel at 300,000 kilometers every second. When light waves travel through materials, such as air, they *

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sk1zyy
sk1zyy sk1zyy
  • 21-03-2021

Answer:

They slow down when travelling through material such as air.

Explanation:

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