Referring to the following figure, If the specific gravities of oil, mercury and water are 0.8, 13.6 and 1: (a) What is pressure difference between points A and B, in kPa? (b) Which point among A and B has more pressure and why? (4 points) (1 point) 4+ Water 0.50 m Mercury 0.15 m 0.30 m Oil +B Referring to the following figure, If the specific gravities of oil, mercury and water are 0.8, 13.6 and 1: (a) What is pressure difference between points A and B, in kPa? (b) Which point among A and B has more pressure and why? (4 points) (1 point) 4+ Water 0.50 m Oil Mercury 0.15 m 0.30 m +B