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Author Question: Which condition is necessary for a planet to have a permanent liquid ocean? a. low gravity b. ... (Read 54 times)

acc299

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on: Aug 22, 2018

Which condition is necessary for a planet to have a permanent liquid ocean?
  a. low gravity
  b. double sun
  c. toxic atmosphere
  d. irregular orbits
  e. optimum distance from star



Question 2

The end of Earths life cycle will occur as a result of the suns ____ phase.
  a. supernova
  b. red giant
  c. protostar
  d. nebula
  e. accretion



cadimas

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Reply #1 on: Aug 22, 2018
Answer to Question 1

e

Answer to Question 2

b


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acc299

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Reply #2 on: Aug 22, 2018
Thank you!


cadimas

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Reply #3 on: Aug 22, 2018
Always glad to help...


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