Which depositional feature would you find at the base of a mountain in an arid climate? which depositional feature would you find at the base of a mountain in an arid climate? alluvial fan back swamp oxbow lake birdfoot delta natural levee?

The correct answer is - alluvial fan.

Alluvial fans are found at the basis of the mountains and hills in arid areas. They are formed when a material is transported from the higher parts of the mountains and hills in the lower parts of their basis, by debris flows or water flows that follow a main channel.