increases the need for trees. helps conserve resources. increases the need for landfills. helps remove pollutants from the air.
I gave my students this multiple choice question: Recycling newspapers is good for the environment because it

Only one answer is correct among these 4 choices:
- increases the need for trees.
- helps conserve resources.
- increases the need for landfills.
- helps remove pollutants from the air.

Could you tell me which one is correct?

helps conserve resources.