Fact 1: Wind and rain cause erosion.

Fact 2: Alluvial aquifers are the result of erosion.

Given the two facts above, answer the question "How are alluvial aquifers created?" with the following options: 
- By sand and snow
 - By wind and rain
 - By sunlight and soil
 - By animal activity
 - a hydraulic system
 - Sediment
 - storing water
 - Physical weathering


 

  By wind and rain       