Consider a Warm Summer's Day at the Beach

Multiple Choice

Consider a warm summer's day at the beach. While the sand feels warm on your feet, the water feels cool. Which statement is the best explanation for this phenomenon?

A) Surface water molecules protect deeper water molecules from the Sun's rays.
B) The specific heat of water is higher than that of the sand.
C) Water is denser than sand, so it feels cooler on the skin.
D) The specific heat of sand is higher than that of water.
E) Sand is denser than water.