🤓 Based on our data, we think this question is relevant for Professor Paddock's class at UCSD.
When a glass rod is rubbed with a piece of silk, the glass rod acquires a positive charge and the silk acquires a negative charge. This process signifies that
A) the glass rod was not rubbed very hard with the silk.
B) the glass rod lost electrons to the piece of silk.
C) the glass rod was rubbed very vigorously with the silk.
D) the glass rod gained electrons from the piece of silk.
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Based on our data, we think this problem is relevant for Professor Paddock's class at UCSD.