Which of the Following Is True About Seawater

question 135

Multiple Choice

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.

---

Definitions:

L-Alanine

An enantiomer of the amino acid alanine, which is a key compound in the biosynthesis of proteins.

Aqueous Solution

A mixture in which water serves as the solvent.

pH

A scale used to specify the acidity or basicity of an aqueous solution, correlating to the concentration of hydrogen ions present.

Isoelectric Point

The pH at which a molecule carries no net electrical charge or is electrically neutral in the statistical mean.