Chemistry

 Rodica?

  • Happy New Year,
     2024 is over. Welcome 2025 I salute readers from all the places that visit this blog, among many other, from USA, Sweden,  Romania, and Tur...
  • Lecture about the TITANIC
    Dear visitors from all over the World I announce a lecture about the TITANIC, 45 minutes A great Power Point presentation, at your disposal....
  • Inocencio VIII y Cristobal Colon
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