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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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.
The energy required to change liquid water to vapor is referred to as the melting point
Indicate whether the statement is true or false
An estuary is ________
A) a coral reef ecosystem that has experienced bleaching because of changes in water temperature B) a person who compiles and analyzes statistics to determine the maximum allowable catch for fish and other seafood C) a landform created from the silt that moves down a river and into the ocean D) a biologically rich area where a river flows into the ocean, where fresh- and saltwater mix