Human Impact on Ecosystem

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Across
  1. 4. Building on the land
  2. 5. Cannot identify a single source of pollution
  3. 6. Water that is drinkable
  4. 9. Nonrenewable sources of energy
  5. 11. Turning into a desert
  6. 12. Comes from the Earth
  7. 13. from one source, which we can identify
Down
  1. 1. Land Use of farming
  2. 2. we can get more of it if we use it.
  3. 3. An area covered by water for part of the year
  4. 4. Removing the trees
  5. 7. Percent of potable water
  6. 8. Process that carries away by wind and water
  7. 10. Getting something out of the ground