Aurora by Heba Soffar · Published September 8, 2014 · Updated September 8, 2014 Aurora appears as brightly colourd light curtains Share
0 The importance and uses of solar cells ( photovoltaic cell ) May 14, 2015 by Heba Soffar · Published May 14, 2015 · Last modified July 1, 2015
2 How is the reflex action occur in the human body ? January 26, 2015 by Heba Soffar · Published January 26, 2015 · Last modified September 9, 2016
0 Factors that affect work & The effect of the angle between force and displacement on work March 16, 2017 by Heba Soffar · Published March 16, 2017 · Last modified March 17, 2017
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