The relative abundance of dissolved salts in seawater in descending order is as follows

• A. chlorine, sodium, sulphate, magnesium, calcium, potassium
• B. sodium, chlorine, magnesium, potassium, sulphate, calcium
• C. chlorine, magnesium, calcium, sodium, potassium, sulphate
• D. chlorine, sodium, magnesium, calcium, potassium, sulphate