You are presented with the question "What can have a positive impact on the environment?" and the following answer choices: 
- power stations
 - cactuses
 - bushes
 - power
 - mussels
 - animals
 - paper bags
 - satellites

Now knowing that recycling has a positive impact on the environment and what's more, paper bags are recyclable themselves, choose the best answer.


 

       paper bags  