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Author Question: The mean distance between the Earth and Sun is called A) the astronomical unit. B) the parsec. ... (Read 31 times)

cartlidgeashley

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on: Jul 27, 2018
The mean distance between the Earth and Sun is called
 
  A) the astronomical unit.
  B) the parsec.
  C) the Kepler.
  D) the megameter.
  E) the light-year.

Question 2

What evidence is there that Earth has been struck by large meteorites?
 
  What will be an ideal response?


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dlook33

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

A

Answer to Question 2

There are numerous craters still visible today, such as the Barringer Crater in Arizona and the Manicouagan reservoir in Canada. Both clearly display the traits of a large impact, including a central peak in the case of the Canadian crater. There is also evidence of a large impact in the Yucatan that may have caused the extinction of the dinosaurs.


cartlidgeashley

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

ghepp

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Reply 3 on: Yesterday
:D TYSM

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