You are presented with the question "Adding sulfur to soil can cause what?" and the following answer choices: 
- contamination
 - flooding
 - plants to die
 - Pollution
 - chemical reaction
 - Greenhouse gasses
 - global warming
 - harmful substances

Now knowing that changes in the pH of soil can cause plants to die and sulfur lowers pH in soil, choose the best answer.


 

   plants to die      