The Crossword of Doomed (hey that's what the human race is)

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Across
  1. 2. The Non-living materials found in a ecosystem
  2. 5. The forms of water on earth
  3. 9. the heating up of earth thanks to carbon dioxide and other greenhouse gasses
  4. 11. bad
  5. 13. The different types of living things in a system of life
  6. 15. The ability to keep renewing and using natural resources
  7. 16. The living things of earth
Down
  1. 1. The gasses and air of earth, usually surrounding the earth
  2. 3. A effect where a certain change keeps happening, which can lead to a positive or negative _________
  3. 4. The rocky, solid parts of earth (like the mantle)
  4. 6. A gas that heats up the atmosphere, made by fossil fuels
  5. 7. Living
  6. 8. the max amount of a species a ecosystem can hold
  7. 10. Not living
  8. 12. Then ice and glaciers of earth
  9. 14. A collection of living things that work in harmony to keep this place stable