It encompasses the following states:
* Maine
* New Hampshire
* Massachusetts
* Rhode Island
* Connecticut
* New York
* New Jersey
* Delaware
* Maryland
* Virginia
* North Carolina
* South Carolina
* Georgia
* Florida
The Atlantic Coastal Plain is characterized by:
* Low elevation: It is a relatively flat region with a gentle slope towards the Atlantic Ocean.
* Sedimentary rocks: The plain is composed of unconsolidated sediments deposited by ancient rivers and seas.
* Coastal features: It includes beaches, barrier islands, estuaries, and wetlands.
* Agriculture and forestry: The fertile soils of the Coastal Plain support a variety of agricultural activities, including farming, forestry, and fishing.
* Urbanization: Many major cities are located along the Atlantic Coastal Plain, including New York City, Boston, Philadelphia, and Baltimore.
The Atlantic Coastal Plain is a diverse and important region of the United States, providing a range of natural resources and supporting a significant population.