Puurmani Gümnaasium KALTSIUM REFERAAT Referaadi Koostaja: Triin Kukk Klass:10.klass Juhendaja: Aleksandr Kirpu Puurmani2010 1 SISUKORD SISSEJUHATUS..................................................................................................................................................... 3 KALTSIUMI ÜLDISELOOMUSTUS..................................................................................................................4 KALTSIUM KASUTAMINE.................................................................................................................................4 KALTSIUMI OMADUSED.
Puurmani Gümnaasium Geelküüned Uurimustöö koostaja:T.Kukk Klass:10.klass Juhendaja:Andres Juur Puurmani2010 1 Sisukord 5............................................................................................................................................................2 Sissejuhatus..........................................................................................................................................3 Geelküüned...........................................................................................................................................3
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