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Author Question: A star with planets orbiting in a plane that is not face-on to our line-of-sight exhibit a Doppler ... (Read 114 times)

@Brianna17

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on: Jul 27, 2018
A star with planets orbiting in a plane that is not face-on to our line-of-sight exhibit a Doppler effect due to ________.
 
  A) the light emitted by the moving planets
  B) the light reflecting from the moving planets
  C) the planet gravitationally tugging the star
  D) the planet's mass shifting the path of light from the star

Question 2

We are confident that rising CO2 levels are caused by the burning of fossil fuels because atmospheric CO2 now has the same carbon isotope ratio as fossil fuels.
 
  Indicate whether the statement is true or false


Andromeda18

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

C

Answer to Question 2

TRUE


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