CHANGING AND MANAGING THE ENVIRONMENT

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Across
  1. 1. Gradual increase in the overall temperature of the Earth's atmosphere (2 words)
  2. 7. A lack of sufficient water to meet the demands of an area or population (2 words)
  3. 8. Any damage-causing substance that is released into the environment
  4. 11. Ecosystem services involving regulation
  5. 13. A range of heavy metals, oils, pesticides, industrial chemicals and salts that harm the environment (2 words)
  6. 15. Dying out and complete disappearance of a species
  7. 16. Basic organic resources from which things are made (2 words)
  8. 17. Wearing down of the health of land resources in ways that threaten their ability to maintain their environmental functions (2 words)
  9. 19. Highest underground level at which the rocks and soil in a particular area are completely wet with ground water (2 words)
  10. 21. Variety of living organisms found in an environment
  11. 22. A range of substances that harm the environment (2 words)
  12. 23. Organism that is not native to an area, whose introduction has negative effects on its new environment (2 words)
  13. 24. The ongoing capacity of Earth to maintain all life
  14. 25. Wearing away of the Earth's surface by wind, water or ice
  15. 27. Fuel made from the decomposed remains of plants and animals that lived millions of years ago (2 words)
  16. 28. The transformation of fertile land into relatively dry desert
Down
  1. 2. Underground water supply consisting of a layer of rock or other permeable materials that hold water
  2. 3. Removal of plant life from a forested area
  3. 4. CO2 released into the atmosphere as a result of burning fossil fuels and gas (2 words)
  4. 5. A park that is protected by the government (2 words)
  5. 6. Watering of otherwise dry land by artificial means to help in the growing of crops
  6. 9. Method used to dispose of rubbish by burying it
  7. 10. A range of important resources, processes and benefits that healthy ecosystems provide to humans (2 words)
  8. 12. Cultural ecosystem services
  9. 14. Change in global or regional climate patterns
  10. 18. Ecosystem services involving the provision of food and materials
  11. 20. The negative effects of invasive species that do harm to the environment (2 words)
  12. 26. The amount of salt present in the soil