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Author Question: The most abundant element in Saturn's atmosphere is A) ammonia. B) hydrogen. C) helium. D) ... (Read 91 times)

809779

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The most abundant element in Saturn's atmosphere is
 
  A) ammonia.
  B) hydrogen.
  C) helium.
  D) methane.
  E) nitrogen.

Question 2

The Ptolemaic model probably persisted for all these reasons EXCEPT:
 
  A) it had the authority of Aristotle behind it.
  B) it was consistent with the doctrines of the Catholic Church.
  C) it used perfect circles, which appealed to geometry.
  D) it accounted well for Galileo's observations of the phase cycle of Venus.
  E) it explain why stellar parallax was not observed by the Greeks.



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aidanmbrowne

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Answer to Question 1

B

Answer to Question 2

D





 

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