You are presented with the question "What does not require cutting down oaks?" and the following answer choices: 
- the looseness of soil
 - creating paper
 - circulatory systems
 - creating lumber
 - creating wood-free paper
 - Basic units of the plant body.
 - creating hardwood
 - Something that can be auburn

Now knowing that creating wood-free paper does not require cutting down trees and all oaks are trees, choose the best answer.


 

     creating wood-free paper    