Approximately how much basaltic lava is erupted each year at mid-ocean ridges?
A) 3 cubic kilometers
B) 300 cubic kilometers
C) 30 cubic kilometers
D) 3000 cubic kilometers
Correct Answer:
Verified
Q22: Where are aseismic ridges located?
A)convergent plate boundaries
B)transform
Q23: Small vents on volcanoes that emit gas
Q24: The Cascade volcanoes are associated with a
A)convergent
Q25: Metal-rich minerals precipitate out of hydrothermal vents
Q26: What types of lavas are erupted at
Q28: Almost all of the 25,000 people killed
Q29: Shiprock,New Mexico,is an example of a
A)caldera.
B)cinder cone.
C)diatreme.
D)lava
Q30: Which of the following gases is the
Q31: The eruption of vast quantities of superheated
Q32: Which of the following volcanic gases emitted
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