Salt in the oceans originates from the minerals on Earth. Water is a good solvent. Dissolved carbon dioxide gas in rain water in the air causes a mild acid neutralizer. Water on the surface of the Earth melted minerals in rocks and soil. The combined flow is a river to accumulate together in the ocean. Aqueous solution these salts into ions and sodium ions are important minerals (Na +) and chloride ions (Cl-) when the water evaporates, these ions recombine into compounds include table salt (NaCl). In the area of the ocean surface waters are influenced by the Sun and atmospheric water or rain water from rivers contaminated so there is no dilution and lower-density bottom layer of water, which has a high salinity and temperature is lower. When viewing the graph in Figure 1, we can see that under the surface water temperature dips quickly called "Thermo Klein" (Thermocline). Beneath the surface with water salinity increases rapidly is called a "hash Lo Klein" (the Halocline). The temperature and salinity of sea water is a factor that makes the population density increases with depth. Research has shown that the particles of air pollution will cause a cloud floating above the ground, not condensing into rain. However, the pollution cloud floating above the ocean, rain will be easier.
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