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Author Question: If our solar system hadn't formed with a Jupiter-sized planet, A) the Sun would have been more ... (Read 72 times)

bucstennis@aim.com

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on: Jul 27, 2018
If our solar system hadn't formed with a Jupiter-sized planet,
 
  A) the Sun would have been more massive, with a lifetime too short for life to evolve
  B) the Earth would have never formed
  C) the rate of impacts on the Earth may have been much higher, possibly preventing the appearance of life
  D) the rate of impacts on the Earth may have been much lower, enabling the appearance of life much earlier

Question 2

When the first law of thermodynamics, Q = u + W, is applied to an ideal gas that is taken through an isothermal process,
 
  A) u = 0.
  B) W = 0.
  C) Q = 0.
  D) P = 0.


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ngr69

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

C

Answer to Question 2

A


bucstennis@aim.com

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Reply #2 on: Jul 27, 2018
Thank you!


ngr69

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Reply #3 on: Jul 27, 2018
Always glad to help...


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