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Author Question: The crust of Mars is believed to ____ than Earth's. a. be much thinner b. be younger c. contain ... (Read 53 times)

kamilo84

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on: Jul 27, 2018
The crust of Mars is believed to ____ than Earth's.
 
  a. be much thinner
  b. be younger
  c. contain more water
  d. be more geologically active
  e. be much stronger

Question 2

The rotation curve of a galaxy can be used to determine
 
  a. the relative number of hot young stars in the galaxy.
  b. the relative amount of gas and dust in the galaxy.
  c. the radius of the galaxy.
  d. the luminosity of the galaxy.
  e. the mass of the galaxy.


Natalie4ever

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

E

Answer to Question 2

E


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