Natural Resources

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Across
  1. 3. the contamination of the atmosphere by the introduction of pollutants from human and natural sources
  2. 6. a colorless, odorless gas produced by burning carbon and organic compounds
  3. 10. the protection and wise use of resources
  4. 11. contamination of water by waste matter or other material that is harmful to organisms that are exposed to the water
Down
  1. 1. a disorder of nutrition that results when a person does not consume enough of each of the nutrients that are needed by the human body
  2. 2. any natural material or energy source that is used by humans, such as water, petroleum, minerals, forests, and animals
  3. 4. the process of dealing with or controlling things
  4. 5. a natural and a man-made product that occurs in the Earth's upper atmosphere.
  5. 7. the property of acting or producing effectively with minimum waste, expense, or unnecessary effort
  6. 8. waste gases from which contain sulfur and nitrogen oxides, which combine with atmospheric water
  7. 9. a greenhouse gas that contributes to climate change