Author Question: Which of the following layers of the Earth is unique among the terrestrial planets? A) ... (Read 11 times)

Medesa

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Which of the following layers of the Earth is unique among the terrestrial planets?
 
  A) hydrosphere
  B) ionosphere
  C) mantle
  D) crust
  E) core

Question 2

What are constellations?
 
  A) groups of galaxies gravitationally bound and close together in the sky
  B) groups of stars making an apparent pattern in the celestial sphere
  C) groups of stars gravitationally bound and appearing close together in the sky
  D) ancient story boards, useless to modern astronomers
  E) apparent groupings of stars and planets visible on a given evening



verrinzo

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Answer to Question 1

A

Answer to Question 2

B



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