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Author Question: When the Sun is located near one of the horizons, an observer looking at the sky directly overhead ... (Read 46 times)

swpotter12

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on: Jul 28, 2018
When the Sun is located near one of the horizons, an observer looking at the sky directly overhead will view partially polarized light. This effect is due to which of the following processes?
 a. double refraction
  c. selective absorption
  b. optical activity
  d. reflection

Question 2

Carbon dioxide forms into a solid (dry ice) at approximately -157F. What temperature in degrees Celsius does this correspond to?
 a. -157C
  c. -105C
  b. -93C
  d. -121C


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epscape

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

C


swpotter12

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

ghepp

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Reply 3 on: Yesterday
Wow, this really help

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