Usually Dave sometimes Darren.
a canyon, gorge or vale
it is called a plain or valley:)
A valley or a plain.
A valley or a plain.
a plateau
a plateau
Plateau
diffent between plain and valley
Officially it is not recognised. It is just a verbal name due to its name Assam. It is called valley because majority land is valley. Actually the state has two valley - Brahmaputra and Barak valley. These names came from two main river of the State. With the name of Assam valley people wanted to indicate about whole state.
They are called 'mesas', Spanish for 'table'.
flood plain -by houston
The broad flat valley floors that are carved out by wondering streams are called flood plain and the two methods of the streams eroding the rocks to form the flood plain are down cutting and lateral erosion.