The most common liquid on planet earth is water
<span>A solution is oversaturated with solute. The thing that could be done to decrease the oversaturation is to add more solvent in order to decrease the concentration of the solute. You can also increase the temperature to increase solubility of the solute. Hope this answers the question.</span>
At the center, when the bob is hanging straight down
Each person is 80kg. 320/4