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Author Question: While the mantles of Jupiter and Saturn are made of liquid metallic hydrogen, the mantles of Uranus ... (Read 140 times)

oliviahorn72

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While the mantles of Jupiter and Saturn are made of liquid metallic hydrogen, the mantles of Uranus and Neptune are chiefly
 
  A) water. B) rock. C) helium. D) methane. E) ammonia.

Question 2

From the beginnings of life on Earth, it took less than a billion years for single-celled organisms to evolve to multicellular organisms.
 
  Indicate whether the statement is true or false



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iman

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Answer to Question 1

A

Answer to Question 2

FALSE





 

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