A distinguishable element of the earth's crust such as a continent, mountain, valley, rift, or island is called a (n)

The correct answer is a geologic feature.

Explanation:

The geologic feature can be illustrated as any physical characteristic of the surface of the Earth, or of the rocks exposed at the surface, which is produced by a geologic phenomenon. Various geologic features affect the configuration of the surface of the ground and can be illustrated by the more known terms like landscapes, topography, or landforms. The distinguishable elements of the Earth crust like mountain, continent, island, valley or rift are the components of the dynamic systems of the Earth. These are the building blocks of the Earth and are together termed as geologic features.

Geological features