Across
- 4. a person doing manual work
- 6. a fuel made from plant material or animal waste
- 8. energy cleaner energy options from nature
- 9. using living things to make useful products
Down
- 1. anything coming from nature
- 2. farming crops and livestock
- 3. making materials on a large scale
- 4. farm animals
- 5. available in large quantities/plentiful
- 7. natural fuel such as oil or gas
- 10. moving goods and people