A scientist performed an experiment to learn how the thickness of a piece of wood affects its ability to support weight without breaking. The scientist prepared three different pieces of wood and applied weight until they broke, The results are shown in the table below. Thickness of Wood Breaking Weight 1 cm 15 kg 2 cm 29 kg 3 cm 42 kg What is the responding variable in this experiment? A. The number of pieces of wood B. The breaking weight O C. The type of scale used to measure the weight D. The thickness of the wood​