Exam Questions with Verified
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. A depression is a weather term meaning an area of low pressure, wind, cloud and usually
rain. -
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Depression
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0-17 km above Earth's surface, site of weather, organisms, contains most atmospheric water
vapor. (temperature decreases with increasing altitude, pressure decreases) -
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Troposphere
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2nd layer of atmosphere; extends from 10 to 30 miles up; location of ozone layer; absorbs
95% of Ultraviolet radiation; temperature increases with altitude increase. -
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Stratosphere
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23.5 degrees -
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Earth's tilt
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a bond formed by the attraction between positively charged metal ions and the electrons
around them -
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metallic bond
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A break in the geologic record created when rock layers are eroded or when sediment is
not deposited for a long period of time. -
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Unconformity
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a celestial body moving in an elliptical orbit around a star. -
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Planets
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, a celestial object consisting of a nucleus of ice and dust and, when near the sun, a "tail" of
gas and dust particles pointing away from the sun. -
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Comets
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A change directly from the solid to the gaseous state without becoming liquid -
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Sublimation
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A change in a substance that does not involve a change in the identity of the substance -
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physical change
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a change in global or regional climate patterns, in particular a change apparent from the mid
to late 20th century onwards and attributed largely to the increased levels of atmospheric
carbon dioxide produced by the use of fossil fuels. -
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climate change
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A change in matter that produces one or more new substances -
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, chemical change
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A charged atom -
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Ion
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A chart of the elements showing the repeating pattern of their properties -
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periodic table
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A chemical bond formed when when atoms share electrons -
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convalent bond
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A chemical substance that is present at the start of a chemical reaction -
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Reactant
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