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Author Question: As seen in 1987, when two silicon 28 nuclei fuse, or when seven alpha particles are added to a Si-28 ... (Read 70 times)

james0929

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As seen in 1987, when two silicon 28 nuclei fuse, or when seven alpha particles are added to a Si-28 nucleus, the initial result in either case is:
 
  A) the shedding of bipolar planetary nebula shells.
  B) a nova explosion.
  C) iron 56.
  D) cobalt 56.
  E) nickel 56.

Question 2

Which of the statements below is part of both the Ptolemaic and Copernican models?
 
  A) The Earth orbits the Sun once a year.
  B) The Sun lies in the center of the Cosmos.
  C) The Moon orbits the Earth once a month.
  D) Epicycles are needed to explain retrograde motion of the planets.
  E) Venus' epicycle must always lie between us and the Sun.



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laurnthompson

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Answer to Question 1

E

Answer to Question 2

C




james0929

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Reply 2 on: Jul 27, 2018
Wow, this really help


shailee

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Reply 3 on: Yesterday
:D TYSM

 

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