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?

Afarmer who is grown corn for the past five years notices in the sixth year that the his harvest is significantly smaller, despite an increase in labor on the farm. the following year, the harvest continue to decline. which of the following explanations most plausibly accounts for the reduction in corn yield? a) soil degradation b) desalinization c) better irrigationd) terracing