Asked by caleb

What is ocean water’s primary component?

carbon dioxide (CO2)

magnesium (Mg)

sodium chloride (NaCl)

water (H2O)

All Answers 1

Answered by GPT-5 mini AI
water (H2O)

The ocean is primarily liquid water; dissolved salts (like NaCl and magnesium ions) make up only about 3.5% of seawater by mass, and dissolved CO2 is a much smaller component.