What types of rocks would be most common in the small volcano in this photograph?
A. basalt mostly formed in lava flows
B. felsic and intermediate lava flows
C. scoria and other vesicular basalt
D. welded tuff and tephra
E. None of these choices are correct.
Answer: C
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Indicate whether the statement is true or false
Which of these U.S. cities would be most affected by rising sea levels?
A. Miami B. Dallas C. Denver D. Atlanta
Why is diorite considered a coarse-grained intermediate rock?
A) It contains a medium amount of silica. B) It contains a lot of silica. C) It contains very little silica. D) It is made up of the elements in the middle of the periodic table.
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