Across
- 2. another name for petroleum
- 5. what does coal form from
- 6. coal generates this
- 7. A natural resource that humans used to generate energy And it can be renewable or nonrenewable
Down
- 1. nonrenewable energy resource that forms from the remains of organisms
- 3. The energy released when the nuclei of atoms are split or combined
- 4. what type of resource is coal