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Author Question: What are some of the things that make Earth unique in the solar system? What will be an ideal ... (Read 45 times)

JMatthes

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on: Jul 27, 2018
What are some of the things that make Earth unique in the solar system?
 
  What will be an ideal response?

Question 2

Most stars in our part of the Galaxy are formed:
 
  A) alone.
  B) in open clusters of a few dozen.
  C) in associations of thousands of stars across a spiral arm of the Galaxy.
  D) in globular clusters of millions of stars.
  E) in a singular event just after the Big Bang.


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aburgess

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

It is the only planet with an oxygen-rich atmosphere and abundant liquid water on its surface (although there are hints that there may be liquid water on some of the moons around the jovian planets). Its surface temperature is such that water can exist in three phases: solid, liquid, and gaseous. Compared to its size, Earth also has by far the largest moon in the solar system, so much so that some astronomers consider it a double planet. Finally, Earth is the only planet we know of that harbors life.

Answer to Question 2

B


JMatthes

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Reply 2 on: Jul 27, 2018
Wow, this really help

isabelt_18

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Reply 3 on: Yesterday
Excellent

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