Environmental Health

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Across
  1. 3. Chemicals and wastes that poison the land, air and water.
  2. 5. A pooling of water that collects underground.
  3. 8. A chemical compound used as a disinfectant in waste water treatment plants and swimming pools to kill bacteria.
  4. 9. To use less of something.
  5. 10. A mixture of decayed plant materials that is used to fertilize soil.
Down
  1. 1. A condition that causes difficulty breathing.
  2. 2. All the conditions, both natural and man-made, in which people live.
  3. 4. A large area that is used to dump and bury garbage.
  4. 6. To collect used materials to make into new things.
  5. 7. To use something again.
  6. 11. Air pollution that contains a mixture of fog and smoke.