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Author Question: Which two of the following places are nearest to each other? Place A at latitude 20N, longitude 90W ... (Read 29 times)

xclash

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on: Jul 28, 2018
Which two of the following places are nearest to each other? Place A at latitude 20N, longitude 90W Place B at latitude 30N, longitude 90W Place C at latitude 30N, longitude 75W Place D at latitude 20N, longitude 75W

Question 2

Light waves travel fastest in
 a. water.
  b. glass.
  c. a vacuum.
  d. air.
  e. none of these; they travel at the same speed in all these media.


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meryzewe

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

Places B and C

Answer to Question 2

c


xclash

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Reply 2 on: Jul 28, 2018
Gracias!

xiazhe

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Reply 3 on: Yesterday
Excellent

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