An extinct volcano is one that:a.
existed during a past geological period or epoch.
b. has not erupted during recorded history.
c. has shown no evidence of activity over recorded history.
d. has not erupted during recorded history and has shown no evidence of activity over
recorded history.
e. all of these.
Q. 2 -
One indicator of an impending volcanic eruption that precedes all Hawaiian volcanic eruptions is a
continuous ground motion called ____________________. Fill in the blank(s) with the appropriate word(s).
Q. 3 -
Volcanic activity that takes place away from plate boundaries is the result of volcanism at a(n)
____________________. In the U.S., an example of this type of volcanism in the ocean is
____________________; an example on land is __________________ Fill in the blank(s) with the appropriate word(s).
Q. 4 -
Volcanism occurs along the following two types of plate boundaries: ____________________ and
____________________. Fill in the blank(s) with the appropriate word(s).
Q. 5 -
The one place on Earth where mid-oceanic ridge volcanism occurs above sea level is
____________________. Fill in the blank(s) with the appropriate word(s).
Q. 6 - The most volcanically active region of the contiguous United States is the ____________________. Fill in the blank(s) with the appropriate word(s).
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