Question

Q.18 What are plains ?
2 points
An extensive almost flat topped
region
O An extensive tract of flat land
A portion of land surface rising
above the surrounding country
O
Terrain with hills and
depression
Clear selection​

Answer 1

Answer:

Underwater geological structures associated with large-scale sediment deposition

Abyssal plain – Flat area on the deep ocean floor

Archipelago – A group of islands

Atoll – Ring-shaped coral reef

Arch – A natural rock formation where a rock arch forms

Ayre – Shingle beaches in Orkney and Shetland

Barrier bar