A sixth grade teacher takes students on a field trip to the beach. One student finds several pebbles that have a rounded shape and are smooth to the touch. What process most likely shaped these pebbles?


The shape of the pebbles is a result of glacial deposition.


The shape of the pebbles is a result of changes in air pressure.


The shape of the pebbles is a result of weathering and deposition.


The shape of the pebbles is a result of being rolled by ocean water.