Year 10 land degradation

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Across
  1. 4. a biological community of interacting organisms and their physical environment.
  2. 5. made of the layers of gases surrounding a planet
  3. 7. the introduction of harmful materials into the environment
  4. 8. build a dam across (a river or lake)
  5. 9. is the condition or process of degrading or being degraded
Down
  1. 1. plants considered collectively, especially those found in a particular area or habitat.
  2. 2. the geological process in which earthen materials are worn away and transported by natural forces such as wind or water
  3. 3. the accumulation of salt in land and water to a level that damages the natural and built environment
  4. 6. a particular position, point, or area in space; a location.