An experiment was carried out to find out how the mass of potato chips changed when they were left in sugar solutions of different lengths. Which of the following should have been kept the same throughout this experiment ?

Which statement does lola need to correct, and why? a) statement 1 because spiral galaxies do not havearmsb) statement 2 because the bulges contain mostlyyoung red stars.c) statement 3 because the arms are made of mostlyyoung blue and blue-white stars.d) statement 4 because spirals galaxies contain littleto no dust.(c)