In coastal geomorphology, a depositional landform that is attached to the mainland at one end and terminates in open water at the other is called a:

💡 Solution & Explanation

A spit is a depositional coastal landform created by longshore drift, attached to the mainland at one end and terminating in open water at the other. In contrast, a tombolo connects an island to the mainland, while a barrier island remains completely separated from the shore.