soil

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Across
  1. 3. Planting one crop
  2. 5. Occurs when water evaporates from the soil during irrication
  3. 6. Clearing trees for cattle ranching leaves to loss of roots to hold the soil
  4. 8. Someties called humus
Down
  1. 1. Livestock trample the ground making the soil impervious to water
  2. 2. Ecosystems undergoing change over time
  3. 4. Chemicals such as heavy metals and pesticides contamiate the soil
  4. 7. Breakdown of rock by wind or water