Which is not an intrusive igneous rock?
A. diorite
B. andesite
C. granite
D. gabbro
Answer: B. andesite
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Indicate whether the statement is true or false
As global populations increase demands for water and global warming continues, the most sustainable source of water for poor developing countries will be
A) groundwater aquifers. B) dams to capture runoff water. C) estuaries. D) desalination plants.
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