Circular depression formed in the bed of an upper course river is known as

The scale of the map in statement form is

The bearing of Bodel from Bebe is

Farming is common in

The point where R.Isbo meets R.Gembeh is called

The lowest point in the map is in the

The contour interval on the map is

The distance as the crow flies from Bebe to Bodel is

The western part of R. Gembeh flows through