In its old stage, a river would
I. be interrupted by waterfalls and rapids
II. flow sluggishly and develop pronounced meanders
III. flow fast and have truncated spurs
IV. develop levees and have a flood plain

The movement of the earth that causes variation in the length of the day and night is

It is crescentic in shape and it is formed from wind deposition in arid. The statement describes

The type of cloud from which thunderstorms and heavy rain are experienced in the Tropics is

Which type of mountain is also called the mountain of denudation?