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20 Cards in this Set
- Front
- Back
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The smallest particle that retains all of the chemical properties of an element is called a(n)
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atom
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The continents and ocean basins are located in the:
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Lithosphere, crust
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Which element is the most abundant in Earth's crust?
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Oxygen
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Magma that cools deep below the Earth’s surface forms what type of rock?
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intrusive
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When small pieces of rock are weathered, transported, deposited, and cemented, which of the following can be created?
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Clastic, sedimentary rock
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The formation of salt deposits in the bottoms of dry lake beds (i.e. Bonneville Salt Flats, UT) is a result of which process?
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salinization
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Hydrocarbon deposits are classified as:
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organic sediment
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Peat, coal, lignite, and natural gas are all examples of:
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fossil fuels
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Marble forms as a metamorphic product of what original rock?
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limestone
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Because of the extreme heat and pressure required, metamorphic rocks are generated most often
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at substantial depths Under the Earths crust
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The oceanic crust is __________ and __________ than continental crust.
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thinner;
denser |
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The idea proposed by Alfred Wegener to explain the continental shapes and positions is known as
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Continental Drift
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If Earth’s history was represented by one 24-hour day, how long has life proliferated on the planet?
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the last 2hrs and 50mins of that day (about three hours....)
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Which geologic era are we currently living in?
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cenezoic
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Which type of plate boundary results from two or more plates coming together?
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Convergent boundary
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The lithosphere is composed of:
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crust and upper mantle
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The surface of the Earth is divided into individual rigid plates that move independently of one another on top of the:
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asthenosphere
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What term best describes the driving force behind plate tectonics?
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convection
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Since lithospheric plates move around, most mountain building activity occurs where:
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convergent boundaries or edge of plates
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___________ divides most ocean basins roughly in half.
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mid-ocean ridge
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