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Oceanography
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Which of the following sequence correctly represents the percentage of given salts in sea water in decreasing order?
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A
Sodium chloride - Magnesium chloride - Magnesium sulphate - Calcium sulphate
💡 Explanation:
Sea water contains various dissolved salts, with sodium chloride (NaCl) being the most abundant at about 77.8%, followed by magnesium chloride (MgCl2) at about 10.9%, magnesium sulphate (MgSO4) at about 1.2%, and calcium sulphate (CaSO4) at about 0.3%. The decreasing order correctly represents their relative abundance in ocean water.