Consider here again the possible sources of error or uncertainty that might have risen in this experiment while taking measurements and why theory and experimental data might not match. Which do you think are non-negligible (ie had a measurable influence on your results). *Please note, multiple answers can be chosen. Right answers are worth 1 mark, wrong answers chosen result in -1, 0 marks awarded when left blank. This is to discourage you from randomly choosing answers or selecting all. a. The rod on which the cylinder hangs influences the measurements b. Observation errors when recording water level measurements C. Errors when balancing the scales O d. Having to guess the dimensions of the outer beaker that water was being poured into