You are presented with the question "What process creates sand?" and the following answer choices: 
- Water expanding
 - beach
 - evaporation
 - friction
 - silicon dioxide
 - weathering
 - dunes
 - rainfall

Now knowing that the surface of a beach is formed by mechanical weathering and beaches Anymore Sand is one of the most common materials on the earth's surface, choose the best answer.


 

      weathering   