Fact 1: Soil is formed by weathering.

Fact 2: Soil comes largely from weathering of rocks and erosion.

Given the two facts above, answer the question "What is soil made from?" with the following options: 
- Rocks eroding
 - Ice melting
 - aqueous solution
 - Rocks being formed
 - organic molecules
 - calcite
 - Organic compounds
 - Trees falling


 

 Rocks eroding        