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When examining rocks from both sides of the Mid-Atlantic Ridge, scientists found evidence for what phenomenon?
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[image]
According to the diagram above, what is occurring at point B? |
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| volcano vent; volcanic eruption |
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| Many scientists believe that the motion of lithospheric plates is due to what? |
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a volcanic mountain range is built, isostatic adjustment will cause the crust beneath it to do what?
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Isostatic adjustments constantly occur in areas of the crust that are characterized by what?
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A change in the shape or volume of crustal rock due to stress is called what?
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Where do strike-slip faults often occur?
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| Normal faults usually occur in a series of parallel fault lines producing landforms that are what |
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| The footwall consists of rocks located where? |
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| The northern ocean crust of the African plate is subducting the continental crust of Eurasia, causing what to happen to the Meditrainian Sea? |
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| Where are most plateaus are found? |
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| Mount Everest is a part of which mountain range? |
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| What is the Mercalli scale? |
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| measures the intensity and damage of an earthquake |
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What does the Mercalli scale describe? |
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| the intensity of an earthquake |
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What are zones of immobile rock along faults are called?
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| What is an opening on the earth’s surface through which molten rock flows and the material that builds up around? |
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What happens when a plate with oceanic crust meets a plate with continental crust?
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| What is a string of volcanoes that forms along a trench called? |
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| What is magma that erupts under water often forms rounded formations called? |
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Felsic lava is usually identified by its color and its what? |
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| Which volcanic material would most likely be produced by a violent eruption? |
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| What are nonmetallic minerals prized for their brilliance and color called? |
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The hardest form of coal is
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[image]
In the diagram above, the layer labeled X is most likely composed of |
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| Most electricity in the United States is produced from |
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| Crude oil is an important source of |
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| A serious environmental problem results from burning coal that contains a large amount of |
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| mining often causes harm to the environment by exposing |
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| Fission reactors are often cooled by circulating |
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Fuel rods in nuclear reactors are made up of pellets of
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| Water that is heated as it flows through hot rocks is a source of |
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| The energy in ocean tides is used to produce electricity by using the sea water to |
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[image]Which of the following is represented in the diagram above? |
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| [image]In the diagram above, what is the process labeled in 2 |
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| [image]The process represented by arrow 3 in the diagram above is |
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| [image]In the diagram above, the arrow labeled X represents |
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| Which of the following is most likely to change drainage patterns in an area? |
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| All of the sediment carried by a river is called the |
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Which of the following statements about groundwater is true?
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Groundwater is not a problem.
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Groundwater can be replenished by pumping sea water into the ground.
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Once groundwater is polluted it can never be used again.
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Groundwater can be conserved by recycling used water.
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d.
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Groundwater can be conserved by recycling used water.
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A natural flow of water that forms when the water table intersects the ground surface is called |
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| [image]In the diagram above, rock layer I is called the |
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[image]The structure labeled X in the diagram above is
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A cap rock is the top layer of impermeable rock that is exposed in |
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[image]
Which of the following features is represented by this diagram? |
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| The type of hot spring that is characterized by a crooked tube with several connected underground chambers is called |
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[image]
What feature is represented in the diagram? |
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What is most likely to be produced as a result of the process of chemical weathering?
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| What features would most likely be found in an area that has karst topography? |
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What type of moraine forms gentle hills and depressions?
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The presence of cross-bedded sandstone may indicate that the region where it is present was once |
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| From which continent did India break away to move northward? |
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| A geosyncline is defined as |
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A About 150 million years from now, the portion of California west of the San Andreas fault will probably be located near what present-day region?
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| The force that can change the size and shape of rocks is called |
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| The Pacific Ring of Fire is an earthquake zone that forms a ring around |
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| S waves can travel only through |
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| What is the minimum number of seismograph stations a scientist must have data from in order to locate the epicenter of an earthquake? |
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| To determine how far away from a seismograph station an earthquake occurred, scientists plot the difference in arrival times between |
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| [image]Which point in this diagram indicates a likely source of a tsunami? |
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| [image]The area labeled X in the diagram is located over |
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| Which of the following generally results from a quiet lava eruption? |
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| [image]What type of volcanic formation is represented by the diagram above? |
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| [image]The feature labeled X in the diagram above is a |
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| What causes bulging in the surface of volcanoes? |
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What type of volcanic formation is Olympus Mons?
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| When friction prevents the rocks on either side of a fault from moving past each other, the fault is said to be |
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The place where slippage first occurs is called an earthquake’s
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| Which type of seismic wave travels the fastest? |
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| The Mercalli scale is used to express the |
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Definition
| intesity of an earthquake |
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| An opening in the earth’s surface through which molten rock flows is called a |
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| The type of lava that is rich in silica, iron, and magnesium is |
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| Cinder cones are generally formed when volcanoes eject |
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What is formed when a magma chamber empties and collapses?
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| Which scientist first proposed the continents were once joined in a single land mass called pangea? |
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| what evidence was used to describe the theory of continental drift? |
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| similarity in continential margins |
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| Surface waves are especially destructive when traveling through what? |
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| How many seprate sensing devices make up a seismograph? |
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| Great pressure in the asthenosphere keeps rocks what? |
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| Approximately what percentage of the earth's precipitation falls on the ocean? |
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| what is the term for the main stream and tributaries of a river? |
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| The path that a river follows is called its? |
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| Channel erosion is quickest in rivers with a what? |
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| A major earthquake has a magnitude of what? |
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| Placer deposits form at the bottom of what? |
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| Recycling is a means of what? |
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| Firn is formed as a result of what? |
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| partial melting and thawing of snow crystals |
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| Cirques are best described as what? |
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| What describes aftershocks |
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| Series of minor tremors after a major quake. |
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