Why do waxes typically remain solid at room temperature?

• A. Waxes are solid due to their high solubility in water.
• B. Waxes have low melting points due to their short polar chains.
• C. Waxes have high melting points due to their long nonpolar hydrocarbon chains.
• D. Waxes are solid because they are composed of glycerol.

Answer: (C)