Across
- 2. oil, coal, and natural gas
- 4. sediments being carried away by water, wind, gravity, and ice
- 6. using resources as little as possible and not wasting them
- 8. resources that can be replaced in a relatively short amount of time in nature
- 9. resources that are found in nature
Down
- 1. rocks are dropped in a new location; build up of rocks
- 3. resources that exist in limited amounts; are used faster than they can be replaced in nature
- 5. another name for oil
- 7. breaking apart of rocks by water, wind, ice, and plant roots