Human Impacts on Oceans

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Across
  1. 2. the ongoing decrease in the pH of the earths oceans
  2. 5. coral loses colors and turn white
  3. 8. catching too many fish at once
Down
  1. 1. release of liquid petroleum into environment
  2. 3. the harm of loud noises to marine animals
  3. 4. the introduction of harmful materials into the environment
  4. 6. long term change of weather pattern
  5. 7. metals built into the sea floor for technology