You are presented with the question "Breaking rocks apart can cause what?" and the following answer choices: 
- Damages them
 - construction clean up
 - fissures of hot, acidic water
 - looseness of dirt or compost
 - harmful substances
 - permineralization
 - forest is destroyed
 - the Great Barrier Reef

Now knowing that breaking apart rocks can cause debris and and then the construction debris cleaned up, choose the best answer.


 

  construction clean up       