Relief

The thin and solid outer layer of the Earth

Name of the theory

What is that?

A piece of land that is surrounded by water on three sides.

A group of islands.

A flat terrain that is elevated above the surrounding area, usually higher than 500 m. above sea level.

Extension of the continent under the sea waters (200 m. approximately)

A landform made of sediment that is deposited where a river flows into an ocean or lake

A portion of an ocean or sea partly enclosed by land

A flat and deep surface (4000 m.) in the ocean floor.