When visiting the beach, you set up your towel and umbrella in a great spot and then go in the water to cool off. After playing for a while, you turn around and head directly back to shore only to find that your stuff is gone. What is the most likely explanation?
a. Longshore drift moved your stuff downcurrent from its original position
b. Can't predict Someone stole your stuff while you weren't paying attention
c. Your stuff hasn't moved, but while you were swimming the longshore current moved you downcurrent along the beach away from your stuff