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Question
Which of the following best describes the bedrock in the Sierra Nevada Mountains in California?A) basalt; dikes
B) gabbro; plutoliths
C) andesite; laccoliths
D) granite; batholiths
Answer
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Related questions
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A) coal
B) ice
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A) reserve
B) ore
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What does the tendency of micas to produce thin cleavage flakes suggest about its crystal structure?
A) The crystal structure is characterized by complex polymerized mats that form a sheetlike structure.
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C) The structure is produced by flow in the igneous rock, aligning glass layers within the crystal structure.
D) The atoms are arranged in orderly arrangements that form strongly bonded sheets separated by weak bonds between the sheets.
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Use the Periodic table below to answer the following questions: When electrons are shared amongst all atoms, the resulting bond is a(n) ________ bond.
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Use the Periodic table below to answer the following questions: Element 20, Ca, has what chemical property?
A) It behaves as a metal ion, giving up two electrons to form a +2 ion.
B) It tends to form covalent bonds and an ion with a charge of +1.
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D) It tends to be inert, and thus is dispersed throughout the crust.
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B) heat from Earth's interior
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A) deep-ocean trenches
B) oceanic ridges
C) seamounts
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D) in areas that receive large amounts of rainfall
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A major cause of the differences in elevation between ocean basins and continents is ________.
A) viscosity
B) temperature
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B) sea floor spreading
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B) Asthenosphere
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B) spreading ridges
C) convergent plate margins
D) transform plate margins