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Author Question: Galaxies in clusters are much more likely to become active than ones alone in space. Indicate ... (Read 17 times)

Ebrown

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on: Jul 27, 2018
Galaxies in clusters are much more likely to become active than ones alone in space.
 
  Indicate whether the statement is true or false

Question 2

What is the best description of the Earth's rotation over its entire history?
 
  A) It has periodically reversed directions, as the magnetic polarity reversals show.
  B) It has been constant over the entire history of the solar system.
  C) It undergoes abrupt changes, as the magnetic variations show.
  D) It has slowed down very gradually at about .0015 seconds per century.
  E) It has sped up at about .013 seconds per century.


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flexer1n1

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

TRUE

Answer to Question 2

D


Ebrown

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


flexer1n1

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


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