Environmental Chemical Engineering

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Across
  1. 6. Threat to ___________. Climate change is affecting the habitats of several species of animal.
  2. 8. Uncontrolled usage of aerosols contributes this pollutant to the environment.
  3. 11. Regular basis cleaning up of this is necessary to curb acid rain from occuring.
  4. 12. Population shift from rural to urban areas, "the gradual increase in the proportion of people living in urban areas", and the ways in which each society adapts to the change.
  5. 14. What development is a process for meeting human development goals while sustaining the ability of natural systems to continue to provide the natural resources and ecosystem services upon which the economy and society depend?
  6. 15. Interaction and mobility is spread over large geographical, social and economic area.
  7. 16. The presence of certain substance that brings harmful or poisonous effect to the environment.
  8. 18. A divide that separates one catchment area from another area.
  9. 19. Natural changes in the sun which affect the amount of incoming solar _____.
  10. 20. Excessive burning of this causes harmful pollutant known as nitrous oxide (N2O) to the environment.
Down
  1. 1. An extent of land where water from rain or snow melt drains downhill.
  2. 2. The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
  3. 3. The relationship of ground water and surface water is part of the ___ cycle.
  4. 4. It consists of water, air, land/soil.
  5. 5. A gradual increase in the overall temperature of the earth's atmosphere generally attributed to air.
  6. 7. Releases the carbon stored in trees and less carbon dioxide can be removed from the atmosphere.
  7. 9. Environmental quality act 1974 is administered and enforced by this department under the Ministry of Natural Resources and the Environment.
  8. 10. Major source used to supply community and industrial needs other than surface water.
  9. 13. Act like a blanket, trapping heat, without it, the earth would be much colder.
  10. 17. Unsafe use and handling of what substances can cause cancer, skin disease, poisoning and respiratory illness?