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Author Question: Explain why volcanic bombs take on a streamlined shape when they are flung through the air. What ... (Read 98 times)

future617RT

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on: Jul 16, 2018
Explain why volcanic bombs take on a streamlined shape when they are flung through the air.
 
  What will be an ideal response?

Question 2

How do scientists use earthquakes to determine if a volcano may erupt soon?
 
  What will be an ideal response?


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peilian

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

Answer: Volcanic bombs are semimolten upon ejection. As they move through the air, friction with the air pulls them into a teardrop shape.

Answer to Question 2

Answer: Earthquakes centered under the volcano with foci that are increasingly shallow are a sign magma is moving into the magma chamber. A strong precursor to eruptions is often a period of seismic unrest followed by a period of relative quiet.


future617RT

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Reply 2 on: Jul 16, 2018
Gracias!

connor417

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Reply 3 on: Yesterday
Excellent

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