Terrain refers to the characteristic features of a land surface: landforms, elevation, rocks, soils, and vegetation if any. It is any term that defines a particular region or area. Terrain can be...
Regions of Vietnam:
The Southern Lowlands
The Annam Cordillera
The Coastal Plain
The Tonkin Lowland
THe Northern Highlands
Vietnam has fertile river valleys and deltas, lowlands...
A savanna is an African tropical ecological system that is mainly a flat grassland with scattered trees and occasional hills, streams of water or lakes in some places.