Look at the previous GSD plot. What is the best choice to make it better? Select one answer only. a. Color the GSD curves. b. Cut the x-axis at d

= 1 mm. That is, remove the d = 1 mm to d = 10 mm portion entirely. C. Cut the x-axis at d = 0.1 mm. That is, remove the d = 0.01 mm to d = 0.1 mm portion entirely. d. Display the d in meters, not millimetres.