which landform covers nearly one-third of the united states

Answer 1

The landform that covers nearly one-third of the United States is the Great Plains. The Great Plains is a broad expanse of flat land, characterized by grassland, and it extends from Canada in the north down to Texas in the south and includes parts of multiple states such as Montana, North Dakota, South Dakota, Nebraska, Kansas, and other regions. This area is known for its agriculture, particularly wheat and cattle ranching.