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Unit 8 Changing World

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  • A very
    very big body of water that covers much of the Earth: Ocean
  • A large place full of trees
    plants
    and animals: Forest
  • Animals that live freely in nature
    like in forests or jungles: Wildlife
  • Water that flows naturally to the sea
    or another river: River
    a lake
  • Dirty or harmful things people put in the air
    or land: Pollution
    water
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