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Author Question: A(n) ________ is a period when a supercontinent rifts into fragments, spreads apart, and the ... (Read 32 times)

lindiwe

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on: Jul 15, 2018
A(n) ________ is a period when a supercontinent rifts into fragments, spreads apart, and the fragments reassemble into a new supercontinent.
 
  A) convection cycle
  B) supercontinent cycle
  C) suturing cycle
  D) orogenic cycle

Question 2

Because of the original molten state of Earth, it is likely that the first crust was ________ in composition.
 
  A) ultramafic
  B) mafic
  C) intermediate
  D) felsic


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katheyjon

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Reply #1 on: Jul 15, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


lindiwe

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Reply 2 on: Jul 15, 2018
Thanks for the timely response, appreciate it

Sarahjh

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Reply 3 on: Yesterday
Gracias!

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