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List four observations that indicate that a chemical reaction may be taking place
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Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
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Which type of rock forms as a result of cooling and crystallization? a) clastic b) metamorphic c) s...
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