All of the following are true regarding tephra EXCEPT:
A) volcanic ash is coarser than volcanic dust.
B) tephra may consist of sizable blocks of solidified lava known as volcanic bombs.
C) tephra is usually formed under water.
D) coarser- grained tephra deposits are usually nearer the volcanic source.
Correct Answer:
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Q16: Which of the following statements regarding volcanoes
Q17: An active volcano is any volcano that:
A)
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Q21: Which of the following characteristics would you
Q22: Which of the following is composed of
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Q24: A welded tuff forms when:
A) hot lava
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