Author Question: Twenty milliseconds is a. 0.00002 s b. 0.0002 s c. 0.002 s d. 0.02 s e. 20000 ... (Read 60 times)

swpotter12

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Twenty milliseconds is
 a. 0.00002 s
  b. 0.0002 s
  c. 0.002 s
  d. 0.02 s
  e. 20000 s

Question 2

Sundogs and halos of the Sun and the Moon are caused by:
 a. refraction by the atmosphere.
  b. refraction by water droplets.
  c. reflection of the object in water.
  d. scattering by molecules in the air.
  e. refraction by atmospheric ice crystals.



jojobee318

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Answer to Question 1

D

Answer to Question 2

e



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swpotter12

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Both answers were spot on, thank you once again



jojobee318

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