Fact 1: Creating paper requires cutting down trees.

Fact 2: To cut down a tree is like destroying a life.

Given the two facts above, answer the question "creating paper may cause" with the following options: 
- Physical weathering
 - Something to move
 - destroying life
 - It expands
 - Greenhouse gases
 - contamination
 - Pollution
 - harmful substances


 

   destroying life      