1.
A) cinder cone volcanoes B) composite volcanoes C) shield volcanoes D) explosive volcanoes 2.
A) sill. B) volcanic neck. C) dike. D) batholith. 3.
A) cinder cone volcano B) shield volcano C) composite volcano D) plateau basalt 4.
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A) less than 45% B) 45-52% C) 53-65% D) greater than 65% 5.
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A) Magmas always have low viscosity. B) Magmas with less silica are more viscous. C) Magmas with little silica have medium viscosity. D) Magmas with more silica are more viscous. 6.
A) Plates are moving apart. B) A hot spot exists. C) Plates are moving together. D) A convergent boundary exists. 7.
A) sill B) batholith C) volcanic neck D) dike 8.
A) volcanic blocks B) volcanic ash C) volcanic gravel D) volcanic cinders 9.
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A) the east coast B) southern states C) the west coast D) the mid-west 10.
A) granitic B) basaltic C) tephritic D) andesitic
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