Muundaji Wilma de Groot Nency Peltenburg Dyllian Huijgens Mseto wa Umri 15-16 Zaidi ya 16 Mada ya Somo Kemia Hisabati Lugha Kiingereza Muda wa Wastani wa Kusoma Dakika 90 Leseni Creative Commons Attribution-Yasiyoyabiashara(CC BY-NC) Hufanya kazi nje ya Mtandao No Maelezo Ufumbuzi wa msingi wa asidi Please Login to Rate and Comment PoorNot so pooraveragegoodvery good No votes have been submitted yet. View and write the comments No one has commented it yet.
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