Water pollution

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Across
  1. 2. Dumping: The pollution source of this pollution type is a Sewage Barge
  2. 4. Sewage: The pollution source of this pollution type is a Urban Population
  3. 6. The pollution source of this pollution type is a farm when it rains and goes into a lake
  4. 7. Water: The pollution source of this pollution type is Heat
Down
  1. 1. The pollution source of this pollution type is a Power Station
  2. 3. The pollution source of this pollution type is from a farm when it rains
  3. 5. spill: The pollution source of this pollution type is a Factory