What is a coastal plain? A high mound or ridge of sand The boundary between the land and an ocean A flat, low-lying piece of land next to the ocean The piece of land formed when a river splits into smaller rivers

Hi I learned that it is something pretty and it's a flat low-lying piece of land next to the ocean

Explanation:

A coastal plain is flat, low-lying land adjacent to a sea cost. A fall line commonly marks the border between a coastal plain and a piedmont area. Some of the largest coastal plains are in Alaska and the southeastern United States.

Explanation:

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19