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Author Question: A ________ is a geographic low, which marks the location where oceanic lithosphere descends into the ... (Read 70 times)

azncindy619

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on: Jul 16, 2018
A ________ is a geographic low, which marks the location where oceanic lithosphere descends into the mantle.
 
  A) fold and thrust mountain
  B) deep-ocean trench
  C) seismic zone
  D) mid-ocean rift

Question 2

In the mid-twentieth century, researchers dredging the seafloor could not find any materials older than ________.
 
  A) 10,000 years
  B) 1.2 million years
  C) 180 million years
  D) 1.5 billion years


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joneynes

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


azncindy619

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Reply 2 on: Jul 16, 2018
Excellent

alexanderhamilton

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Reply 3 on: Yesterday
Gracias!

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