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Author Question: When the huge polar caps on Mars form every winter, they are made chiefly of ________. Fill in ... (Read 76 times)

TFauchery

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on: Jul 27, 2018
When the huge polar caps on Mars form every winter, they are made chiefly of ________.
 
  Fill in the blank(s) with correct word

Question 2

To reach the Cassegrain focus, a hole must be cut in the center of the primary mirror.
 
  Indicate whether the statement is true or false


angrybirds13579

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Reply #1 on: Jul 27, 2018
Answer to Question 1

dry ice (frozen carbon dioxide)

Answer to Question 2

TRUE


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