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 :)
The discovery of Gold caused people to start rushing to California.
As I said in your other post/question on the same topic, you have to rephrase your question in order for us to help you. =)
Answer:
The major physical factor responsible for location of the industry are:-
1) Availability of raw materials .
2) suitable climate.
3) water and power supply.
4) cheap and Availability of transport system.
