Fact 1: Decomposition increases the amount of nutrients in the soil.

Fact 2: Organic matter is the plant and animal residue in the soil at various stages of decomposition.

Given the two facts above, answer the question "What does plant and animal residue increase in soil?" with the following options: 
- Scent
 - Temperature
 - Bugs
 - rainfall
 - fossil fuels
 - Water
 - energy
 - Nutrients


 

        Nutrients 