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Author Question: The mechanism by which planetary nebulae shine is very similar to that powering ________. Fill in ... (Read 56 times)

javeds

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The mechanism by which planetary nebulae shine is very similar to that powering ________.
 
  Fill in the blank(s) with correct word

Question 2

Weather occurs in the troposphere.
 
  Indicate whether the statement is true or false



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paavo

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Answer to Question 1

emission nebulae

Answer to Question 2

TRUE





 

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