Unit 4 Quiz 3

25 July 2022
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question
A map _____.
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-is a representation of the earth's surface -is a portable document describing an area -can provide data such as migration trends, directions, and rock composition
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Almost all maps have these four things:
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scale, legend, title, and compass
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Topographic maps represent an area's physical features by describing _____.
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shape, elevation, and steepness of features
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Some rules to remember when reading topographic maps are _____.
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-the elevations of contour lines must always be whole number multiples of the contour interval -points inside a contour line are a higher elevation than the contour line
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The upstream of a river can be determined by _____.
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the direction of the points of the V shapes on contour lines
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Geologic maps are most recognized by their _____ which represent different _____.
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colors, rock units
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The capital letter(s) that label a rock unit (e.g., KJk) on a geologic map represents the rock unit's _____.
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age range
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Lower case letters that come after the capital letter(s), e.g., KJk, labeling a rock unit represent the rock unit's _____.
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rock type or name
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Any point outside a contour line is a _____ elevation than the contour line.
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lower
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Hachure lines, or lines with teeth, describe _____.
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depressions
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Any place inside a hachure line is a _____ elevation than the hachure line.
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lower
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Earthquakes occur because of _____.
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plate tectonics
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The first seismic waves to reach seismograph stations move in a push-and-pull motion. They are called _____.
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primary waves
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After an earthquake, additional adjustments can occur along the fault. These adjustments can cause damaging vibrations called _____.
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aftershocks
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Surface waves cause the most damage, but they are ironically called _____
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love waves
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How did the Sumatra-Andaman earthquake cause so much damage if it occurred in the middle of the Indian Ocean?
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The earthquake produced a tsunami that caused the destruction.
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Where a major earthquake has happened in the past, but not in a while, is called a seismic _____.
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gap
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With the help of three seismograph stations, the epicenter of an earthquake can be located by a process called _____.
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triangulation
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Which scale measures the amount of damage after an earthquake?
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Mercalli intensity scale