Chemistry

Chemistry, 28.07.2019 11:00, Athenax

Are formed when groundwater dissolves cavities into limestone.

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Geography, 29.06.2019 02:00, jstoners

Which of the following is a likely explanation for why there is limestone near the summit of mount everest, the tallest mountain on earth? the limestone forms during metamorphism related to mountain building. the limestone was formed under the pressure of mountain glacial ice. the limestone found at the top of mount everest was formed in an ocean. the limestone is the result of an igneous intrusion.

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Biology, 17.07.2019 09:00, ana9340

Springs form where a - there is no water table b - flooding makes streams overflow their banks c - groundwater sinks into the soil d - the water table intersects the ground surface 2 - groundwater contaminated by sewage from a ruptured septic tank can sometimes be naturally purified by flowing for a relatively short distance through a a - sandstone aquifer b - fractured limestone aquifer c - cavernous limestone aquifer d - spring where the water table intersects the ground surface 3 - a cavern is an underground chamber formed by a - erosion b - deposition c - evaporation d - runoff

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English, 23.07.2019 02:30, braxton24

Which statement best explains why limestone has fossil imprints but marble has no fossil imprints? marble is a sedimentary rock and limestone is a metamorphic rock. limestone is a sedimentary rock and marble is a metamorphic rock. limestone is formed due to intense heat and pressure and marble is formed deep inside earth. marble is formed due to the accumulation of sediments and debris and limestone is formed from lava.

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History, 06.10.2019 04:30, clairesmom

Karst topography is any region where the terrain has been dissolved by the action of water. these areas are composed of carbonate rocks, such as dolomite and limestone, or have a high concentration of evaporites, such as salt and gypsum. when slightly acidic rainwater falls to earth and becomes the groundwater that flows over limestone, we see the karst topography illustrated form. explain how this happens. a) karst topography can be the result of physical weathering when groundwater causes limestone bedrock to dissolve in the acidic solution to create carbon dioxide and water from the carbonate rocks. b) karst topography results when slightly acid groundwater chemically weathers the limestone. the acidic water reacts with the calcium carbonate in the limestone creating calcium salt, water and carbon dioxide. c) karst topography is the result of erosion. acidic groundwater, moving through bedrock, dissolves away the rocks particles. the result is the cracking and breaking of the bedrock forming caves and sinkholes. d) karst topography occurs when groundwater causes the limestone to dissolve physically, similar to the way we make a solution of salt and water. the limestone particles get smaller and smaller until the bedrock crumbles.

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