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Author Question: Which two quantities need to be measured in order to determine the density of a planet? A) mass ... (Read 49 times)

misspop

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on: Jul 27, 2018
Which two quantities need to be measured in order to determine the density of a planet?
 
  A) mass
  B) atmospheric composition
  C) radius
  D) A and B
  E) A and C

Question 2

What happens to the core of a star after it ejects a planetary nebula?
 
  A) It contracts from a protostar to a main-sequence star.
  B) It becomes a neutron star.
  C) It becomes a white dwarf.
  D) It breaks apart in a violent explosion.
  E) None of the above


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mcarey591

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

E

Answer to Question 2

C


misspop

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Reply 2 on: Jul 27, 2018
Excellent

okolip

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Reply 3 on: Yesterday
Wow, this really help

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