27 The positive and negative effects of cars May 18, 2015 by Heba Soffar · Published May 18, 2015 · Last modified January 19, 2021
1 Classification of lipids, Simple lipids & fatty acids, Triacylglycerols & importance of true fats September 30, 2020 by Heba Soffar · Published September 30, 2020 · Last modified October 5, 2020
2 Web Conferencing (Video Conferencing) uses advantages and disadvantages December 16, 2015 by Heba Soffar · Published December 16, 2015 · Last modified January 12, 2021
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