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

__________ are deep and narrow river valleys with very steep sides.

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

A slope with a gentle gradient in the lower parts of a relief feature and steep in its upper parts is called the __________.

___________ are widely spaced in the lower parts and are closely spaced in the upper parts.

The contour representing ________ are far apart.

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

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

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

The topographical maps in India are prepared in _________ series.