Geography crossword

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Across
  1. 1. Large tree roots that prevent trees from falling over
  2. 3. country in the middle east next to Oman
  3. 5. A mountainous area in central England
  4. 6. The downhill movement of material due to gravity
  5. 9. acid rainwater breaking down rocks.
  6. 10. the breakdown of rock by oxygen and water.
Down
  1. 2. material shift with a location.
  2. 4. a slum of lagos that is built floating upon water
  3. 7. an area of london that has experienced gentrification
  4. 8. the breadown and removal of material.