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  • How are reviewers describing this item?
    excellent, expected, own, found and young.
  • Our engine has discovered that over 90% high quality reviews are present.
  • This product had a total of 4 reviews as of our last analysis date on Oct 27 2016.
Reviews Summary

Excellent required for 8th grade science class this is an excellent source of information for young people and the adults who discuss science with them

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