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Author Question: Seasons on Earth are primarily caused by A) the distance from the Earth to the Sun. B) the tilt ... (Read 82 times)

pane00

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Seasons on Earth are primarily caused by
 
  A) the distance from the Earth to the Sun.
  B) the tilt of the Earth's rotational axis.
  C) the tilt of the Earth's magnetic axis.
  D) the precession of the Earth's rotational axis.
  E) the dates of the solstices and equinoxes.

Question 2

What is the single most important characteristic in determining the course of a star's evolution?
 
  A) density
  B) absolute brightness
  C) distance
  D) surface temperature
  E) mass



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ApricotDream

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Answer to Question 1

B

Answer to Question 2

E




pane00

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Reply 2 on: Jul 27, 2018
:D TYSM


cdmart10

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Reply 3 on: Yesterday
Gracias!

 

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