SOIL

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Across
  1. 3. The bottommost layer of soil; consisting of huge rocks.
  2. 4. The topmost layer of soil; consisting of humus; dark-colored; also called the A-Horizon.
  3. 6. A mixture of clayey soil, sandy soil, silty soil and hmumus.
  4. 8. Below subsoil where the rainwater is gathered.
  5. 9. The remains of dead plants an animals; dark brown in color
Down
  1. 1. Seeping of water through the soil.
  2. 2. The second layer of soil; consisting of less humus & nutrients; light-colored; also called the B-Horizon.
  3. 5. A very important natural resource.
  4. 7. The third layer of soil; consisting of small pieces of rocks; also called the C-Horizon.
  5. 8. Breaking down of huge pieces of rocks into smaller pieces by the action of natural forces.