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Author Question: Why are lahars so dangerous? A) They are the hottest of all lava flows. B) They contain deadly ... (Read 33 times)

tuffie

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Why are lahars so dangerous?
 
  A) They are the hottest of all lava flows.
  B) They contain deadly chemicals.
  C) Hot pyroclastic fragments melt ice and snow; this mixture flows extremely fast.
  D) They are the most explosive of all volcanic eruptions.

Question 2

Which of the following causes the formation of large crystals such as pegmatite?
 
  A) high fluid content of magma
  B) high heavy metal content of magma
  C) high silica content of magma
  D) high solidification factor of magma



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scrocafella

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Answer to Question 1

Answer: C

Answer to Question 2

Answer: A




tuffie

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Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it


Alyson.hiatt@yahoo.com

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Reply 3 on: Yesterday
Wow, this really help

 

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