* Structure: Benzoic acid has a benzene ring (nonpolar) attached to a carboxyl group (-COOH). The carboxyl group is highly polar due to the difference in electronegativity between oxygen and carbon, and the presence of a hydroxyl group (OH).

* Electronegativity: The electronegativity difference between oxygen and hydrogen in the hydroxyl group creates a significant dipole moment, making that part of the molecule highly polar.

* Overall: While the benzene ring is nonpolar, the highly polar carboxyl group dominates the molecule's overall polarity.

Therefore, benzoic acid is considered a polar covalent molecule.