oceans are mass lands cover with water in Greek it is called Pangea.
watershed and river system
oceans are mass lands cover with water in Greek it is called Pangea.
A stream that runs into another stream or river is called a tributary. A river and all of it's tribunes together is a river system.
The difference is width
difference between farming system and cropping system
we don
75ft
nothing
60 miles
A laser is man-made, a river is natural.
the difference between end user system and organisational system
Difference between a human being and an elephants digestive system?
A fast flowing river is faster