Causes and Effects of Global Changes

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Across
  1. 4. an increase in the level of the world's oceans due to the effects of global warming
  2. 5. an uncontrolled fire in a wooded area
  3. 9. A colorless, odorless gas
  4. 12. a combustible black or dark brown rock consisting mainly of carbonized plant matter, found mainly in underground deposits and widely used as fuel
  5. 14. occurrences of unusually severe weather or climate conditions
  6. 15. the long-term heating of Earth's surface observed since the pre-industrial period
  7. 18. the ability to do work
Down
  1. 1. a period of abnormally dry weather sufficiently prolonged for the lack of water to cause serious hydrologic imbalance in the affected area
  2. 2. a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
  3. 3. long-term shifts in temperatures and weather patterns
  4. 6. a substance that has no fixed size or shape
  5. 7. the presence in or introduction into the air of a substance which has harmful or poisonous effects.
  6. 8. any of numerous greasy flammable usually liquid substances from plant, animal, or mineral sources that do not dissolve in water and are used especially as lubricants, fuels, and food.
  7. 10. measure of hotness or coldness expressed in terms of any of several arbitrary scales
  8. 11. a prolonged period of abnormally hot weather.
  9. 13. gases in the earth's atmosphere that trap heat.
  10. 16. to make suitable to requirements or conditions
  11. 17. the complex of a community of organisms and its environment functioning as an ecological unit