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Mining style used for large but low concentration deposits
Open pit
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Mechanical layers of the earth
Lithosphere and asthenosphere
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Mountain that is being looked at for storing nuclear waste
Yucca mountain
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A lake created by cutting off a meander of a river or stream
Oxbow
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Mineral deposit that is large but has low concentration
Disseminated
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The modified mercalli scale is used to measure what?
Earthquake intensity
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Nuclear energy is produced by doing what to U235?
Fission
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What creates the surface ocean currents?
Wind
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The volcano that is characterized by lava flows
Shield
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Waves that move through the interior of the earth
Body
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Connectivity of pore space in a rock
Permeability
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Evidence that Hess used that Wegener didn’t have – used to prove lake idea
Paleomagnetism
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Large wave that is generated by an undersea earthquake
Tsunami
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The outside curve of the stream
Cutbank
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Magma type found at stratovolcanoes
Andesite
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Mineral deposit created by evaporation
Evaporite
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What is the most cost efficient way to implement solar thermal technology?
With the water heater
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What are the designs used for solar thermal energy
Dish, power tower, and probolic trough
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What is solar thermal technology used for?
Harnessing heat
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what are the ways to harness hydroelectricity?
Dam/impoundment, diversion, and pumped storage
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Which energy source can be used regardless of environmental conditions?
Geothermal
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How much of America’s electricity comes from coal?
50%
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Which tidal energy has the most potential locations?
Tidal turbines
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what type of energy is converted into electricity by the wind turbines?
Kinetic energy
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What are the two types of motors used for hybrid cars?
Series and parallel
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At a subduction zone, the downgoing plate is always composed of what?
Oceanic lithosphere
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What earthquake severity scale takes into account the type of rock that has been fractured?
Moment-magnitude scale
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How is the distance to the epicenter of an earthquake determined using a seismograph?
By considering the delay time between the p-wave and the slower s-wave
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What is the main difference between basaltic lavas and andesitic lavas?
Basaltic has less silica than andesitic
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What type of volcano is Mt. Pinatubo?
Stratovolcano
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What type of volcano is Mauna Loa (in Hawaii)?
Shield volcano
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What type of volcano is the Columbia Plateau?
Continental flood basalts
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What type of volcano is the Paricutin?
Cinder cone
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What is the definition of the water table?
The layer between the saturated and unsaturated zones
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What is the definition of a losing stream?
Where the water from a streambed disappears into the ground
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What is the definition of an artesian stream?
The area where pressurized groundwater flows naturally at the surface
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The stream gradient of most rivers is ____ near the source than near the mouth
Greater
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What is the climate in areas around 30 degrees N and 30 degrees S?
Dry air is descending and causing increased evaporation
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What winds are found at 0-30 degrees?
Trade winds
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What winds are found at 30-60 degrees?
The westerlies
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What winds are found at 60-90 degrees?
Polar easterlies
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How thick is the crust?
20-100km
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How thick is oceanic crust?
5-10km
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Who is behind the sea floor spreading theory?
Hess
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Who is behind the continental drift theory?
Wagener
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what happens in normal faults to the hanging wall and what stress is it?
The stress is tension and the hanging wall moves down
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what happens in reverse faults to the hanging wall and what stress is it?
The stress is compression and the hanging wall moves up
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What type of material do secondary waves move through?
Solids
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What waves cause the most damage?
The surface waves
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Which volcanoes are found on subduction zones?
Stratovolcanoes
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Which volcanoes are the most explosive?
Stratovolcanoes
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What are recharge areas?
Areas where the water goes into the ground (adds to ground water)
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What are discharge areas?
Areas where the water goes out of the ground
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What subcategory minerals are the most abundant?
Non-metallic
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What type of mineral deposits come from hot water?
Hydrothermal
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