Answer:
O all of the above
Explanation:
Landform is a unique feature on the earth's surface that can influence the characteristics of the terrains. Landforms can be described based on their elevation, their slope, and how they form.
- Based on their elevation, landforms can be divided into : Periglacial, nival, and subnival landforms
- Based on the slope, landforms can be divided into: Upland, Hills, Open slope, and Flat Hilltop
- Based on how they form, landforms can be divided into: Volcanism, Folding, Erosion, and Vaulting
