Across
- 4. is anything you use to live.
- 6. Fuels is a generic term for non-renewable energy source such as coal,coal products, natural gas,
- 7. the ability to be maintained at a certain rate or level.
- 8. Resources, Materials found in nature that people and other living things used.
Down
- 1. Resource, A resource that, once used, cannot be replaced in a reasonable amount.
- 2. is a mixture of sand, silt, clay and broken down organic matter, called humus.
- 3. A resource that can be replaced within a reasonable amount of time.
- 5. waste products that damage an ecosystem.