Which of the following choices best explains the difference between a crater and a caldera?
A) A crater is a very large circular depression over 1 km across; a caldera is a small funnel-shaped depression.
B) A crater is a small, funnel-shaped depression; a caldera is a large depression that has a diameter of over 1 km.
C) A crater is a fissure in the crust; a caldera is a collapsed summit.
D) A crater is a large circular depression over 1 km across; a caldera is a small, parasitic cone growing on the flank of the volcano.
Correct Answer:
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Q10: Which type of magma(s)will produce scoria?
A)Basaltic
B)Andesitic
C)Rhyolitic
D)Basaltic and
Q11: The ring of fire is a narrow
Q12: What interpretations can be made about the
Q13: What kind(s)of lava are most closely associated
Q14: _ is pulverized rock, lava fragments, and
Q16: Define magma.
A)Dissolved gases in molten rock
B)A material's
Q17: In what year did Parícutin form in
Q18: A _ is a submarine volcano.
A)seamount
B)caldera
C)scoria cone
D)dome
Q19: A _ is a cone-shaped structure created
Q20: Using the choices below, select the statement
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