Across
- 2. The protection and wise use of resources.
- 3. A natural resource that humans use to generate energy.
- 4. A resource that forms much more slowly that is is consumed.
- 6. A natural resource that can be replaced at least as quickly as it is used.
- 7. Any natural material that is used by humans.
- 8. A nonrenewable resource formed from the buried remains of plants and animals that lived long ago.
Down
- 1. A natural resource that humans use to make objects or to consume as food or drink.
- 5. The careful and responsible management of resources.