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Author Question: What is true of giant and dwarf elliptical galaxies? A) The giants are mostly blue, the dwarfs ... (Read 52 times)

Evvie72

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on: Jul 27, 2018
What is true of giant and dwarf elliptical galaxies?
 
  A) The giants are mostly blue, the dwarfs are mostly red.
  B) The giants contain more total mass than the dwarfs.
  C) The dwarfs contain more total mass than the giants.
  D) They contain more dust than spirals.
  E) There are more giants than dwarfs.

Question 2

Copernicus' Heliocentric theory explains that
 
  A) the Sun lies at one focus of an ellipse.
  B) all planets lie between the Sun and Earth.
  C) Mars will retrograde when it reaches a certain position on its epicycle.
  D) Venus retrogrades when she overtakes us at inferior conjunction.
  E) planetary orbits are elliptical in shape.


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ms_sulzle

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

B

Answer to Question 2

D


Evvie72

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Reply 2 on: Jul 27, 2018
Gracias!

patma1981

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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