You are presented with the question "Changes in the pH of soil can cause plants to decay and leave what for future plants?" and the following answer choices: 
- seeds
 - fossil fuels
 - Earthworms
 - minerals
 - bugs
 - nutrients
 - It decreases
 - roots

Now knowing that changes in the pH of soil can cause plants to die and when plants die, they decay and leave minerals in the soil for future plant life, choose the best answer.


 

    minerals     