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National Geographic kids Earth Day history

  •  English    10     Public
    Earth day vocabulary review
  •   Study   Slideshow
  • Pollution
    the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.
  •  20
  • Deforestation
    the permanent removal of trees to make room for something besides forest.
  •  25
  • Activities
    A thing that a person or group does or has done.
  •  15
  • Wisconsin
    Wisconsin is a state in the Upper Midwest region of the United States, bordered by Minnesota
  •  15
  • Awesome
    inspiring great admiration, apprehension, or fear.
  •  20
  • Telescope
    an optical instrument for making distant objects appear larger and therefore nearer.
  •  25
  • Squirrel
    an agile tree-dwelling rodent with a bushy tail, typically feeding on nuts and seeds.
  •  15
  • owl
    a nocturnal bird of prey with large forward-facing eyes surrounded by facial disks, a hooked beak, and typically a loud call.
  •  20
  • Climate change
    Climate change includes both global warming driven by human emissions of greenhouse gases and the resulting large-scale shifts in weather patterns.
  •  25
  • Green
    make less harmful or more sensitive to the environment.
  •  25