The correct answer is Drumlins.
Key Points
- Drumlins are oval-shaped hills, largely composed of glacial drift, formed beneath a glacier or ice sheet and aligned in the direction of ice flow.
- They are widespread in formerly glaciated areas and are especially numerous in Canada, Ireland, Sweden, and Finland.
- 'Basket of egg topography' is the topography of drumlins, which are generally found in clusters.
- Its shape is like an inverted boat or inverted half egg.
- Drumlins are formed by the deposition of glaciers in a till plain.