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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 31 times)

tuffie

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on: Jul 16, 2018
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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Reply #1 on: Jul 16, 2018
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

mammy1697

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Reply 3 on: Yesterday
Gracias!

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