Answer:
O isthmus
Explanation:
The land form depicted by number 5 clearly shows an isthmus. An isthmus is a piece of land that connects two separated lands. It is made up of a thin strip of land. An isthmus made up of sand bars is called a tombolo.
- An estuary is a place of brackish water where the ocean meets with the rivers from inland.
- A peninsula is very similar to an island. It is isolated almost on all its borders but connected to the land on one part.
- An Island is a body of land surrounded totally by water.
None of the other description fits number 5 in the diagram therefore, it is an isthmus.
