Water Pollution

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Across
  1. 3. Naturally occurring form of water contamination.
  2. 6. Improperly discarded waste in water sources for a long time.
  3. 7. An excess of nutrients.
  4. 8. All water sources above ground that is polluted.
Down
  1. 1. Consumption of oxygen supplies. some anaerobic microorganisms can produce ammonia, sulphides and other harmful toxins.
  2. 2. The most common type of water pollution.
  3. 4. Fertilizers and pesticides applied to crops can seep into the ground and contaminate groundwater.
  4. 5. The second most prevalent kind of pollution after contaminated air.