Muundaji César Marques Mseto wa Umri 9-10 11-12 13-14 15-16 Zaidi ya 16 Mawazo Makuu ya Sayansi Ulimwengu wetu Mada ya Somo Mwangaza Fizikia Uakiso (Mwangaza) Lugha Kireno Muda wa Wastani wa Kusoma Dakika 135 Leseni Creative Commons Attribution-Yasiyoyabiashara(CC BY-NC) Hufanya kazi nje ya Mtandao No zaidi ... 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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