Which best describes a swimming pool?

1.) it is a solute
2.) it is a solvent
3.) it is a solution
4.) it is a reactant
5.) it is a product

Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble

What produces wave a)sound b) heats c)transfer of energy d)vibrations

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device