Here's a problem to solve: Many natural resources are found in Maryland and the surrounding area. Some of these natural resources are renewable and some are nonrenewable. People use both kinds of resources in daily activities. Using natural resources often produces waste products. Recycling centers are where people take materials that may be reused to make new products. How does recycling paper positively affect the environment?

Among the 4 following options, which is the correct answer?

- A: reduces air pollution
 
- B: increases soil erosion
 
- C: reduces trees that are cut
 
- D: increases habitat destruction
 