غير مصنف The photo shows four burning candles, each covered with a glass jar of different size. Which candle will continue to burn longer?
غير مصنف Link to query the result of admission to colleges and institutes, coordination of the third stage 2022
غير مصنف There is a difference between bacteria and archaea, Bacteria contain peptidoglycan in their cell wall
غير مصنف solving a question: Khaled put a thermometer in a cup filled with hot water, why does the liquid rise inside the thermometer?