land pollution - belén

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Across
  1. 5. It is caused by the toxic waste materials and liquids that are discarded on land through the sewage system and sludges (5,9)
  2. 7. Land pollution can lead to the formation of breeding grounds for rodents, flies and mosquitoes which lead to THIS word (6,8)
  3. 9. Is the contamination of the upper layer of the soil (4,9)
  4. 12. Is the process by which an economy is transformed from primarily agricultural to one based on the manufacturing of goods
  5. 13. This waste is commonly known as households garbage or trash (9,6)
  6. 14. Is the permanent removal of trees to make room for something besides forest
Down
  1. 1. Is the process of removing contaminants from municipal wastewater, containing mainly household sewage plus some industrial wastewater. (6,10)
  2. 2. Waste materials that are discarded during the construction process or by construction industries (12,5)
  3. 3. Wastes that contain harmful substances that are toxic in nature and pose a threat to the environment (9,5)
  4. 4. Waste that includes materials that are produced after the demolition of any structure such as bridges and apartments (10,5)
  5. 6. It is caused by the waste that does not degrade in the soil, which is then burned (3,9)
  6. 8. the contamination of land and soil because of the deposition of waste materials (4,9)
  7. 10. Is the extraction of valuable minerals or other geological materials from the Earth
  8. 11. Is the wearing away of a field's topsoil by the natural physical forces of water and wind or through forces associated with farming activities such as tillage. (4,7)