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Author Question: Most meteorites are A) carbon-rich and primitive. B) rocky and primitive. C) carbon-rich and ... (Read 96 times)

Mimi

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on: Jul 27, 2018
Most meteorites are
 
  A) carbon-rich and primitive.
  B) rocky and primitive.
  C) carbon-rich and processed.
  D) rocky and processed.
  E) iron-rich and processed.

Question 2

What happens to the surface temperature and luminosity when gravity first assembles a protostar from a collapsing cloud?
 
  A) Its surface temperature and luminosity increase.
  B) Its surface temperature remains the same and its luminosity decreases.
  C) Its surface temperature and luminosity decrease.
  D) Its surface temperature decreases and its luminosity increases.
  E) Its surface temperature and luminosity remain the same.


heinisk01

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

B

Answer to Question 2

A


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