A mountain chain is called a mountain chain.
A group of mountain ranges is called a mountain range system or a mountain chain.
The tip of a mountain is called the summit.
The difference between a gully and a ditch is that a gully is a deep ditch. Also a ditch is a lower grade in the earth where water collects and pools.
it is called a mountain belt
A dry gully is called a gulch or a arroyo.
Couloir
A desert gully is called a Wadi in Africa and Asia, arroyo or gulch in the Americas.
Gully erosion, a type of water erosion.
Gully cricket is played in India. Actually, 'gully' is the hindi language term for a narrow street. Lot of young children play cricket in the streets of India and that is why it is called gully cricket.
A wooded ravine is called a gully.
A channel that carries runoff after a rainstorm is called a gully. Gullies are water-worn ravines. A gully is also called a gorge, canyon, or gulch.
gully erotion is something that makes trenches
A valley or a basin or a gully, or perhaps a swale or a depression.
The Don wants to be a gully!
Jack Emmott is THE Gully God
The plural of gully is gullies. As in "this is the gullies".