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Author Question: What caused the many small holes that are seen in this sample of scoria?. A) impacts by volcanic ... (Read 51 times)

Wadzanai

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on: Jul 14, 2018
What caused the many small holes that are seen in this sample of scoria?.
 
  A) impacts by volcanic bombs
  B) dissolving away of minerals
  C) degassing of volatiles
  D) raindrops

Question 2

Examine the map of the Cascadia subduction zone and explain why an eruption of Mount Rainier would be considerably more destructive than the similar eruption of Mount Mazama, which formed Crater Lake during a massive eruption 7,700 years ago.
 
  What will be an ideal response?


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verrinzo

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

Answer: C

Answer to Question 2

Answer: Rainier is a lot closer to the really big population centers lining Puget Sound and is upslope of them (i.e., is a lahar risk).


Wadzanai

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Reply 2 on: Jul 14, 2018
Thanks for the timely response, appreciate it

AngeliqueG

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Reply 3 on: Yesterday
Gracias!

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