Drainage basin - the area of land drained by a river.
Catchment area - the area within the drainage basin.
Watershed - the edge of highland surrounding a drainage basin which marks the boundary between two drainage basins.
Source - the beginning or start of a river.
Confluence - the point at which two rivers or streams join.
Tributary - a stream or smaller river which joins a larger stream or river.
Mouth - the point where the river comes to the end, usually when entering a sea.
Hope this helped :)
Answer:
Explanation:
The reason for this state of population density is massive increase in population while land resources is restricted. However in the future this rise can decelerate as birth rate in Vietnam has declined significantly in recent years.
I would believe the answer to be B. <span />
A. high wages
Are you doing intern assessment?
The answer is cementation that is a major process.