You are presented with the question "What can change shape from smooth into compacted by physical force?" and the following answer choices: 
- bushes
 - cracks
 - streams
 - dirt
 - crust
 - fibrils
 - rock
 - paper

Now knowing that crumple means change shape from smooth into compacted by physical force and paper is then crumpled into the general shape and tied, choose the best answer.


 

        paper 