Negative charge in a conductor is a result of: lack of electrons neutralization by the atom's nucleus. surplus of electrons

Negative charge in a conductor is a result of
surplus (too many) of electrons

Go to the bathroom and vape

Each student aligns the edge of the object with the left edge of the ruler as shown above. all four students read the ruler with a measurement of 4.6 cm. which statement describes the data they collect? i believe the answer is: the data have poor precision and poor accuracy because of a systematic error.