Most natural hazards are non-repetitive events
Indicate whether the statement is true or false
FALSE
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What evidence from the map and stereogram suggests that further volcanic activity took place inside the caldera after the final collapse of the volcano? Be as specific as you can.
The question is based on Map T-2, the “Umnak, Alaska,” topographic map (scale 1:250,000; contour interval 200 feet), Map T-21b, a satellite image; and Figures 35-3 and 35-4, a shaded relief map and a stereogram showing the Okmok Caldera (53°25'33"N, 168°07'38"W) on Umnak Island in the Aleutian Islands. What will be an ideal response?
Fine-grained igneous rocks are interpreted to have cooled relatively quickly from magma, and so they are called:
a) intrusive b) reclusive c) extrusive d) obtusive e) preclusive
Any change in the air's ________ content could alter temperatures in the lower atmosphere
A) smoke B) oxygen C) nitrogen D) carbon dioxide E) acid
Which of the following does not belong with the others?
A) Continental glaciers B) Cirque glaciers C) Piedmont glaciers D) Alpine glaciers E) Valley glaciers