THE ENVIRONMENT

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Across
  1. 2. produced or involving production without the use of chemical fertilizers, pesticides, or other artificial agents.
  2. 4. the natural world, as a whole or in a particular geographical area, especially as affected by human activity.
  3. 7. not harmful to the environment.
  4. 9. the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.
  5. 10. all the plants of a particular place or from a particular time in history.
  6. 11. all the animals that live wild in a particular area.
  7. 12. become or make greater in size, amount, intensity, or degree.
  8. 13. undergo natural development by increasing in size and changing physically.
  9. 14. material such as coal, gas, or oil that is burned to produce heat or power.
Down
  1. 1. make or manufacture from components or raw materials.
  2. 3. the long-term warming of the planet's overall temperature.
  3. 5. gas a gas that contributes to the greenhouse effect by absorbing infrared radiation,
  4. 6. make or become smaller or fewer in size, amount, intensity, or degree.
  5. 8. o finish, use, or sell all of something, so that there is none left.
  6. 11. the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.