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The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

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

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.