Natural Resources

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Across
  1. 3. Where natural vegetation and wildlife exists.
  2. 4. Water found underground.
  3. 6. Also known as B-Horizon
  4. 7. The breaking down of parent rocks to form pebbles, gravels or soil.
  5. 11. Horizontal steps made on hill slopes
Down
  1. 1. Decomposed organic matter
  2. 2. The growth of trees without human intervention
  3. 5. Material with which bare ground is covered to avoid soil erosion.
  4. 8. Trees that do not shed leaves.
  5. 9. Process of supplying water to crops artificially.
  6. 10. Downward movement of a large mass of soil, mud, rocks.