Potholes or bowl-shaped pits are formed when flowing water and sediments swirl in small:

A) depressions
B) holes
C) pits
D) all of these

Potholes

Circular holes in the bedrock of a riverbed or a roadway, formed by the abrasion of small stones and sediment whirled around by water.

Swirl

The movement of a fluid in a twisted or spiraling pattern, often occurring in natural systems like air currents and water bodies or in engineered applications.

Sediments

Particles of rock, minerals, or organic matter that have been transported and deposited by wind, water, or ice.