Tephra is the same as ____.
A) lava
B) pyroclastic material
C) mudflows
D) aa
Correct Answer:
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Q16: A sill is a _ feature.
A)volcanic
B)plutonic
C)lava
D)pyroclastic
Q17: What is the specific study of the
Q18: Explosive eruptions are associated with _.
A)low viscosity
Q19: Composite cones _.
A)are part tephra, part caldera
B)may
Q20: Faults that have vertical displacement and have
Q22: Pahoehoe is best described as _.
A)blocky and
Q23: An increase in earthquake magnitude by one
Q24: Strike-slip faults are caused by shearing tectonic
Q25: A structural downfold can occupy a topographic
Q26: The steepest angle a pile of loose
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