What are the four major ionic constituents of seawater? A)Cl^-,Na⁺,Mg²⁺,HCO₃^- B)Cl^-,Na⁺,SO₄^2-,Mg²⁺ C)Cl^-,Na⁺,SO₄^2-,HCO₃^- D)Na⁺,SO₄^2-,Mg²⁺,Ca²⁺

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The four major ionic constituents of seawater are Chloride (Cl-), Sodium (Na+), Sulfate (SO42-), and Magnesium (Mg2+). Option B has all four of these ions listed, whereas the other options have either incorrect or incomplete constituents.

What Are the Four Major Ionic Constituents of Seawater