Muundaji Jorge Vallin Mseto wa Umri Kabla ya 7 7-8 9-10 11-12 13-14 15-16 Zaidi ya 16 Mawazo Makuu ya Sayansi Mageuzi ya nishati Vikosi vya msingi Mada ya Somo Nguvu na Usogevu Fizikia Lugha Kiingereza Muda wa Wastani wa Kusoma Dakika 45 Leseni Creative Commons Attribution (CC BY) Hufanya kazi nje ya Mtandao No zaidi ... User Ratings PoorNot so pooraveragegoodvery good View and write the comments No one has commented it yet.
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