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Question
The waterline where the ocean meets the land is the boundary between oceanic crust and continental crust.Answer
This answer is hidden. It contains 5 characters.
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A) reserve
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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.
B) The structure is characterized by rings that form an interlocking network, forming planar sheets.
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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Which electrons are responsible for most chemical bonding?
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B) innermost electron shell because the electrons can be transferred to the nucleus
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Which of the following is not a system?
A) the biosphere
B) soil, plants, rock, soil organisms, and animals
C) the study of minerals
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B) heat from Earth's interior
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Shield areas in continental interiors are characterized by ________.
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Flat, stable areas of continental crust tend to be located ________.
A) along coastlines
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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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The Andes Mountains in South America are formed by ________.
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B) sea floor spreading
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Which of the following layers in the earth has the highest density?
A) Lithosphere
B) Asthenosphere
C) Lower mantle
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Oceanic crust is generated at ________.
A) hot spots on the sea floor, like Iceland
B) spreading ridges
C) convergent plate margins
D) transform plate margins