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Author Question: Where have scientists begun an active search for life beyond the Earth? A) Mars B) Venus C) the ... (Read 425 times)

rosent76

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on: Jul 27, 2018
Where have scientists begun an active search for life beyond the Earth?
 
  A) Mars B) Venus C) the Moon D) Titan E) Europa

Question 2

Which of the following is not true about differences between novae and supernovae?
 
  A) The same star can undergo novae explosions more than once, but can undergo only a single supernova.
  B) Supernovae eject gas into space, but novae do not.
  C) Novae occur only in binary star systems, while supernovae can occur both among single stars and among binary star systems.
  D) Novae are much less luminous than supernovae.


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joewallace

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

A

Answer to Question 2

B


rosent76

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Reply 2 on: Jul 27, 2018
Gracias!

ryhom

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Reply 3 on: Yesterday
Excellent

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