• Explore Our World 5 Unit 1-5
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  • What are the three layers of the Ocean called?
    Sunlit Zone, Twilight Zone and Midnight Zone
  • Why do they call the bottom layer of the Ocean the "Midnight Zone"?
    Because this layer gets hardly any light, so it is very dark, like "midnight".
  • Oil Spills, Garbage, Dirty Air are all examples of
    Pollution
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