Across
- 4. a type of metal
- 5. one of the natural resources
- 6. what coal gives if burned
- 8. no life without this
- 10. country imports the most oil
Down
- 1. country exports the most oil
- 2. bad for the air
- 3. a material used for clothes
- 7. a subject
- 9. one of the renewable energies