Physical Geography crossword

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Across
  1. 1. Type of weathering caused by animals and plants
  2. 3. The variety of plant and animal life
  3. 6. The in-situ breakdown of material
  4. 7. The movement of water up the beach as a wave breaks
  5. 9. Organism that makes its own food using energy from the sun
  6. 10. The scratching and scraping of rocks as waves throw them against the cliff
Down
  1. 2. Process by which oxygen and water weather rock to form a rusty-coloured layer
  2. 4. Permanently frozen soil in polar and tundra environments
  3. 5. Process by which nutrients are washed out of the soil
  4. 8. The number of waves breaking per minute