Answer
Cubic Feet is used to measure the capacity of the object and Gallons is used to measure the volume of the object.
Work Step by Step
In the context of the swimming pool, the capacity of the pool will be measured in cubic feet and the quantity of water in the pool will be measured in gallons.
Cubic Feet shall be used for the measurement of the capacity of the swimming pool i.e.it means how much quantity of water it can hold.
Gallons shall be used for the measurement of water in the swimming pool i.e. it means the actual quantity of water present in the pool.
