Which of the following is true about seawater?
A) Seawater is pure water (H₂0).
B) Seawater is a solution.
C) The chemical composition of seawater has great spatial variability.
D) The salinity of seawater is negligible.

Question

Quizplus · Accepted Answer

Seawater is a solution of various salts and other dissolved substances. It contains not only water molecules, but also dissolved ions such as sodium, chloride, magnesium, and calcium. Option A is incorrect because seawater is not pure water. Option C is correct because the chemical composition of seawater can vary depending on location and depth. Option D is incorrect because seawater has high salinity due to the presence of various salts.

Which of the Following Is True About Seawater