Arxiu mensual: abril de 2012

Climate change

Publicat el 11 abril 2012 per M. ROSA MESTRE FONTANALS

Vivaldi-Four_Seasons_Spring CLIMATE CHANGE Climate change is now something that we cannot close our eyes to, and governments all over the World have finally realized that they have to sit up and take notice. These some of the things that many … Continua llegint →

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osmosi

Publicat el 6 abril 2012 per M. ROSA MESTRE FONTANALS

https://www.chem1.com/acad/webtext/solut/solut-4.html  

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