SS Ch. 10

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