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Author Question: Halos are caused by hexagonal ice crystals in the upper atmosphere. Indicate whether the statement ... (Read 119 times)

CharlieWard

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on: Jul 28, 2018
Halos are caused by hexagonal ice crystals in the upper atmosphere.
  Indicate whether the statement is true or false

Question 2

A converging lens always forms an object's image at the focal point of the lens.
  Indicate whether the statement is true or false


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jazzlynnnnn

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

T

Answer to Question 2

F


CharlieWard

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Reply 2 on: Jul 28, 2018
Wow, this really help

cpetit11

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Reply 3 on: Yesterday
Gracias!

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