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Author Question: The recent alternative explanation for the disappearance of Earth's early atmosphere sees this as ... (Read 11 times)

abc

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on: Jul 14, 2018
The recent alternative explanation for the disappearance of Earth's early atmosphere sees this as the primary causative agent:
 
  A) volcanic outgassing.
  B) collisions of Earth with other large bodies.
  C) periodic energy pulses from the surface of the Sun.
  D) gravitational attraction of the Moon.

Question 2

This was probably the predominant gas in Earth's earliest atmosphere:
 
  A) argon.
  B) hydrogen.
  C) water vapor.
  D) nitrogen.


zacnyjessica

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Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


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