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Author Question: That the Tharsis region on Mars has so few craters A) suggests it is the youngest region on the ... (Read 56 times)

ghost!

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on: Jul 27, 2018
That the Tharsis region on Mars has so few craters
 
  A) suggests it is the youngest region on the planet.
  B) suggests it is at the center of a particularly strong magnetic field.
  C) is due to annual flooding and water erosion.
  D) proves tectonic activity is taking place.
  E) is due to the very low elevation of the region.

Question 2

Which type of reflector telescope would be the easiest to construct, and why?
 
  What will be an ideal response?


Briannahope

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

A

Answer to Question 2

The prime focus reflector needs only a single optical surface, on the front of the main mirror.


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ghost!

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


Briannahope

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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