The contours representing a ________________ merge into one another while crossing a river steam.

A ___________ is formed by strong lateral erosion of glaciers at high altitudes.

_________ is generally expressed in metres.

In high altitudes, ________ forms in the areas where the vertical erosion by river is more prominent than the lateral erosion.

A tongue of land, protecting from higher ground into the lower is called the ____________.

___________ rises almost uniformly from the surrounding land.

__________ is represented by 'V' shaped contours but in the reverse manner.

A __________ is represented by very closely spaced contour lines on a map with the innermost contour showing small gap between its two sides.

________ is fairly gentle in the upper part and steep in the lower part.

The contour representing ________ are far apart.