Handlevognen din er tom
It surrounds us but we cannot see it – Nitrogen
It surrounds us but we cannot see it – Nitrogen
Nitrogen comprises 78% of the air and is indispensable for living organisms.
Kjemi
Klasser 7 – 10
Forfatter: Vámos-Poljak Zsolt
Korrektur: Horváthné Kunstár Andrea
mozaLink
/Nettlenke