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Earth Day 2020!

  •   Game Code: 431377
  •  English    19     Public
    Let's learn why our Earth is so special and how we can take care of it!
  •   Study   Slideshow
  • When there are no animals of a species left on earth it is called....
    endangered
    threatened
    extinct
  •  5
  • When half of a species is gone from the earth, that species is called...
    extinct
    threatened
    endangered
  •  5
  • When about one fourth of a species is gone, that species is called...
    extinct
    endangered
    threatened
  •  5
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