Answer 16,17,18, 16.If the debris in a landslide mixes with enough water, it can trigger which of the following volcanic hazards?  A. Lahar  B. Rock Flow  C. Liquefaction  D. Pyroclastic Flow  17.What makes lava flow one of the least deadly volcanic hazard? A. It contains less toxic and life-threatening gases.  B. It is far cooler than other types of volcanic hazards.  C. It flows very slowly, moving perhaps a few miles within an hour.  D. It is clearly visible from miles away, so it can be easily avoided.  18.What makes pyroclastic surge different from pyroclastic flow? It includes a ____. A. low-density flow of volcanic material with a low proportion of gas to rock.  B. low-density flow of volcanic material with a same proportion of gas to rock.  C. high-density flow of volcanic material with a higher proportion of gas to rock.  D. low-density flow of volcanic material with a higher proportion of gas to rock.

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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Answer 16,17,18,

16.If the debris in a landslide mixes with enough water, it can trigger which of the following volcanic hazards? 

A. Lahar 
B. Rock Flow 
C. Liquefaction 
D. Pyroclastic Flow 

17.What makes lava flow one of the least deadly volcanic hazard?

A. It contains less toxic and life-threatening gases. 
B. It is far cooler than other types of volcanic hazards. 
C. It flows very slowly, moving perhaps a few miles within an hour. 
D. It is clearly visible from miles away, so it can be easily avoided. 

18.What makes pyroclastic surge different from pyroclastic flow? It includes a ____.

A. low-density flow of volcanic material with a low proportion of gas to rock. 
B. low-density flow of volcanic material with a same proportion of gas to rock. 
C. high-density flow of volcanic material with a higher proportion of gas to rock. 
D. low-density flow of volcanic material with a higher proportion of gas to rock. 

 

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