crossword puzzle

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Across
  1. 2. the act or state of eroding
  2. 4. fuels any combustible organic materal,as oil,coal,or natural gas, derived from the remans of former life
  3. 5. to divest or clear of forests of trees
  4. 8. the act or process of decomposing
  5. 10. land that naturally produces forage plants suitable for grazing
  6. 12. a black or dark-brown combustible minerl substance consisting of carbonized vegatable matter, used as a fuel
  7. 13. the process by which a nonsaline soil becomes saline, as by the irragation of land with brackish water
Down
  1. 1. the science, art, or occupation concerned with cultivating land,raising crops, and feeding
  2. 2. the act of extinquishing
  3. 3. an area covered with grass or other plants used or suitable for the grazing of livestock
  4. 5. the process by which an area becomes a desert
  5. 6. being without moisture;extremely dry;parched land;an arid climate
  6. 7. land suitable for or used for the cultivation of crops
  7. 9. the natural enviornmental of an organism
  8. 11. the artifical application of water to land to assist in the production of crops