What is te sensitivity of a balance?

A balance is said to be sensitive when it can register small differences in weight. The balance beam is most sensitive when its center of gravity lies slightly below its rotation axis. If the center lies too far below the suspension point, the balance is too stable and therefore has low sensitivity.

The balance can measure.Sensitivity of the balancewhich is also known as S.O.B references the smallest amount that

The answer would be sand and gravel