Chemicals in Our Lives- C3

Chemicals in our lives- C3 * Movements of tectonic plates mean that continents have moved e reallywhere the open air of the Earth * Tectonic plates move referable to the very slow convectional currents in the underlying solid cerement * Geologists consumption magnetic clues in rocks to track the slow movements of the continents everyplace the surface of the Earth * Chemical industry grew up in north-west of England because re ascendants much(prenominal) as salt, limestone and coal were available * Geologists peck beg off the away history of the surface of the Earth in call of processes that basis be observed today * E.g. Sedimentary rocks, to convey bear witness of conditions they were formed in: * Shapes of pissing borne grains comp retreat air blown grains * Ripples in rocks, may have been produced by wind or water system * presence of shell fragments * Fossils of zoo logy or plant in rocks, from distinguishable periods of geological cartridge holder * Salt (sodium chloride) is significant for the food industry, as a source of chemicals (chlorine) and to treat icy roads * Salt is obtained in diametrical ways * Solution mine * Water is pumped fundament a pipe. Water dissolves the salt (impurities such as ashes do not turn dissolved) Pressure pushes salt settlement up to the surface. Salt solution (brine) is stored above the ground.

Salt crystals are recover by evaporating the water * gived for the chemical industry * Could look at to widespread ! subsidence and flooding of land * Extracting salt from the ocean * Evaporate the water and separate the salt * Used for central office use * large extractions are victorious place where the water is hot and dry. In these places there is no need to set on fire fuel to separate salt, energy comes from the Sun * Large-scale extractions can have an effect on the inhabitants of the area * Underground mining * Use giant machines to extract rock salt....If you want to get a full essay, order it on our website: BestEssayCheap.com

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