the great basin
50
territories
they use it for the plants.
Because the US covers a large area of land with contrasting climate regions.
The two largest land form regions in the US are the Rocky Mountains and the Appalachian Mountains. In Canada, the largest land form region is called the Maritime terrains.
The continental US is considered to be the mainland, by Hawaiians.
There were large regions of land added to the United States called territories. One was The Louisiana Purchase. The other was Alaska.
Territories
The major kinds of land that determine the landform regions of the US are mountains, plateaus, plains, and valleys. These landforms play a significant role in shaping the geography and natural features of different regions across the country.
10 land regions
The main land regions of the United States are the Northeast, Southeast, Midwest, Southwest, and West. These regions are defined by geographic, cultural, and historical characteristics that distinguish them from one another.
There is three land regions in Costa Rica.