If uncoated freesheet paper does not require cutting down trees, then what type of paper does not require cutting down trees?

Answer choices:
- windpower operated machines
 - deoxyribonucleic acid
 - uncoated freesheet
 - slow and inefficient
 - objects that have mass
 - A solid geometric shape
 - barrel-shaped
 - It remains dormant

 

   uncoated freesheet       