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Author Question: Which of the following is a failed rift that formed in North America over one billion years ago? ... (Read 81 times)

leilurhhh

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on: Jul 16, 2018
Which of the following is a failed rift that formed in North America over one billion years ago?
 
  A) A Mid-Continent Rift
  B) East African Rift
  C) Chile Rise
  D) Kuril Trench

Question 2

Although many areas of the continental shelves are relatively featureless, there are some locations on the shelves that have received extensive glacial deposits and significant dissection by streams. How would this have been possible?
 
  A) Glaciers and streams were powerful enough to shape the shelf underwater.
  B) The shelves were once above sea level but have since dropped below sea level due to tectonic activity.
  C) The sea level dropped during the last glacial episode because water was stored in large ice sheets, exposing the shelves.
  D) As the continents collided in the past, the shelves were lifted above sea level and became exposed to the elements.


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Kingjoffery

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

Answer: A

Answer to Question 2

Answer: C


leilurhhh

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Reply 2 on: Jul 16, 2018
Excellent

phuda

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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