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opposite charge
Referring to the Geological Time Scale, why do the "periods" represent different
spans of time?
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The separation of "periods" is based upon fossil succession only.
,The Earth system is powered by energy from two sources: __________ and __________.
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the Sun/Earth's interior
Chemical sedimentary rocks
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form from precipitated material that was once in solution
Chemical bonding
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formation of a compound by combining two or more elements, transferring
or sharing electrons that allows each atom to attain a full valence shell of
electrons
The __________ form(s) a continuous belt that winds for more than 70,000 kilometers
(43,000 miles) around the globe.
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, oceanic ridge system
Seismic Tomography
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involves collecting data at many different seismic stations to "see" parts of
Earth's interior
Three rock groups
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igneous, sedimentary, metamorphic
Which of the following best explains the principle of superposition?
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All sedimentary deposits accumulate on older rock or sediment layers.
Two types of sedimentary rocks
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