organic food

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Across
  1. 4. too much cattle on too little area
  2. 5. the process by which the land becomes too dry to be used for farming
  3. 8. making you believe smth is incorrect (adj)
  4. 9. a chemical used for killing insects (n)
Down
  1. 1. the science of adding genes to a living thing
  2. 2. not working the best possible way (adj)
  3. 3. to differ
  4. 6. treating smth in a way that makes it seem much simpler (adj)
  5. 7. a feeling of worry