Air Pollution Effects On Domesticated Animal

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Across
  1. 3. What was the highest pollutant found in North America previously that affected pets?
  2. 4. What is the other common domesticated animal other than dogs?
  3. 5. Can lead poisoning be fatal?
  4. 6. Lead emissions could cause livestock ___.
Down
  1. 1. Acute lead poisoning can cause excessive salivation, ___, loss of appetite, constipation, delirium, and reduced milk production.
  2. 2. Chronic fluorosis cause bone and ____ problem.
  3. 3. Cases in barn animals (cattle, sheeps, horses) that comes from fluoride toxicity?