| A | B |
|---|
| biodegradable | organic material that can be broken down and become part of the earth again |
| conservation | protection and wise use of natural resources |
| fiber | small pieces of woven material that give structure and strength to something |
| paper | sheet of pressed fibers used for printing and packaging |
| natural resource | materials that are supplied by nature |
| paper recycling | making new paper or other things from used paper |
| composting | making rich, new dirt from leaves, grass clippings, etc. |
| contaminate | make something unfit for use or impure |
| groundwater | water that lies under the ground in a natural supply |
| landfill | a large pit where trash is buried |
