Consider a cotton sock inside a dryer machine whose drum (inner container) is made of steel. After tumbling around in the dryer's drum for a while, the cotton sock has a net charge on it now. Which of the following charge transfers most likely happened in this sock-drum system? Group of answer choices The steel drum lost electrons while the cotton sock gained those electrons. The steel drum lost protons while the cotton sock gained those protons. The cotton sock lost electrons while the steel drum gained those electrons. The cotton sock lost protons while the steel drum gained those protons. Both the cotton sock and steel drum lost electrons. Both the cotton sock and the steel drum gained electrons