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Author Question: The reason that Earth is now closest to the Sun in January, but will be closest in July in 11,000 ... (Read 108 times)

jazziefee

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on: Jul 15, 2018

The reason that Earth is now closest to the Sun in January, but will be closest in July in 11,000 years,
  is:
  a. orbital eccentricity.
  b. changes in axial tilt.
  c. precession of the equinoxes.
  d. gravitational attraction to the sun.
  e. gravitational attraction to the moon.



Question 2

The ice ages are caused by:
  a. the drift of the continents.
  b. the eruption of supervolcanoes.
  c. the sunspot cycle.
  d. minor changes in Earth's rotation and orbit.
  e. variations in solar output.



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succesfull

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Reply #1 on: Jul 15, 2018
Answer to Question 1

C

Answer to Question 2

D


jazziefee

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Reply 2 on: Jul 15, 2018
Great answer, keep it coming :)

smrtceo

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Reply 3 on: Yesterday
Excellent

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