At the beach the sand burns your feet but not the wooden boardwalk, What's true about the sand and the wood?

Question

During a summer visit to the beach, you notice that the sand burns your bare feet but the wooden boardwalk does not. What must be true about the sand and the wood?

The sand has a lower specific heat value than the wood.

The sand has a higher specific heat value than the wood.

The specific heat values of the sand and wood are equal.

Cannot be determined from the given information.

Answer 1

They are both at the beach...

Answer 2

The wood reflects more of the sun's NRG than it stores.  Sand is the opposite.  It absorbs more than it reflects.  *shrug*