| Term | Definition |
| reuse | to use something over again |
| reduce | to not use something in the first place |
| landfill | an area where garbage is deposited |
| acid rain | form of pollution that occurs when gasses are realeased by burning oil and coal mix with water in the air to form rain or snow that is strongly acid |
| nautral resource | parts of the earths enviroment such as water ansd minerals that are used by living organisms |
| solid waste | solid or near solid items disposed of as garbage including paper,glass,metal,cloth,and spoiled food |
| recycling | reusing matierals after they have been changed into anothe form instead of throwing them away |
| pollutant | any matieral that can harm living things |
| renewable resource | nautral resource that can be replaced by nautral process within 100 years or less |
| nonrewnewablev resource | nautral resource that cannot be replaced by nautral process within 100 years or less |