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Author Question: The fact that you can see stars in the nighttime sky is evidence that A) our atmosphere is ... (Read 60 times)

jman1234

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on: Jul 29, 2018
The fact that you can see stars in the nighttime sky is evidence that
 
  A) our atmosphere is transparent to visible light.
  B) light can travel in a vacuum.
  C) both of these
  D) neither of these

Question 2

Sunburns are produced by
 
  A) infrared light.
  B) visible light.
  C) ultraviolet light.
  D) all of the above
  E) none of the above


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ecox1012

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C


jman1234

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Reply 2 on: Jul 29, 2018
Excellent

yeungji

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Reply 3 on: Yesterday
Gracias!

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