Answer:
Gully
Explanation:
Gully contains water ONLY when it rains, think of the water drain on your roof . it works the same exact way, but does not erode away it is formed.
A gully is a landform created by running water, eroding sharply into soil, typically on a hillside. Gullies resemble large ditches or small valleys, but are metres to tens of metres in depth and width.
