Which features are characteristics of the Coastal Plain region? Check all that apply 1. tall mountains
2. Flat landscapes
3. Swampy areas
4. Marshy shores
5. tall waterfalls

2. Flat landscapes

3. Swampy areas

4. Marshy shores

Explanation:

A coastal plain is a flat land that is close to a large body of water such as an ocean. They can be formed when sedimentary materials are washed by the river and form into a flat landscape.

Some of the characteristics are flat landscapes, swampy areas, and marshy shores.

These areas usually experience above-average levels of rainfall

answer; john stuart mill's principle of utility is your answer; /// good luck