Crossword puzzle

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Across
  1. 3. the art and science of cultivating the soil, growing crops and raising livestock.
  2. 6. substances that are meant to control pests
  3. 7. represent one of the major threats for agriculture worldwide
  4. 9. lack of something you need or want.
  5. 10. a reduction in something
Down
  1. 1. the using up of a resource
  2. 2. the artificial application of water to land.
  3. 4. characterized as renewable or nonrenewable
  4. 5. introduction into the environment of a substance or thing that has harmful or poisonous effects.
  5. 8. refer to living plants and animals, geological processes, weather, and physics, such as matter and energy.