B.)The mass of the warm balloon is greater than the mass of the cold balloon.
A. The mass of the warm balloon is less than the mass of the cold balloon.
In this question , it is given that, a box is in the shape of a cube . The box has edge lengths of 5 inches.
So first we have to find the volume of the box, and for that we use the formula of volume of cube which is
Substituting the value of side length , we will get
So to fill the box, 125 unit cubes are needed .