1. Atlantic Coastal Plain:

Gentle slope from Appalachian Mountains to Atlantic Ocean.

Rich soil, home to major cities like Boston, New York City, and Washington D.C.

Wetlands, barrier islands, and estuaries dominate the landscape.

2. Appalachian Highlands:

Oldest mountain range, formed by continental collisions.

Extends from Maine to Alabama, including Blue Ridge and Great Smoky Mountains.

Scenic landscapes attract tourism and outdoor activities.

3. Interior Plains:

Vast region covering the central US, east of Rocky Mountains.

Gently rolling hills, fertile soils support agriculture.

Includes Great Plains and Mississippi River Valley.

4. Great Lakes:

Region around五大湖- Superior, Michigan, Huron, Erie, and Ontario.

Glacial landscapes, including moraines, drumlins, and eskers.

Major cities like Chicago, Cleveland, and Detroit.

5. Rocky Mountains:

Second highest mountain range in North America after Alaska Range.

Dramatic landscapes, including peaks, gorges, and valleys.

Contains famous national parks like Yellowstone and Grand Teton.

6. Intermontane Plateaus:

High, relatively flat regions between mountain ranges.

Found in the western US, including Colorado Plateau and Columbia Plateau.

Home to canyons, deserts, and mesas.

7. Pacific Coast Ranges:

Coastal mountains along the Pacific Ocean, from Alaska to California.

Rugged topography, steep slopes, and deep valleys.

Includes famous landmarks like Golden Gate Bridge and Yosemite National Park.

8. Alaskan Mountain System:

Youngest and highest mountain range in the US.

Includes Mount McKinley (Denali), the highest peak in North America.

Glaciers, ice fields, and volcanic activity shape the landscape.