The diagram shows one liquid resting above a different liquid. Which statement explains why liquid P is on top of liquid Q?
- AThe mass of liquid Q is greater than the mass of liquid P.
- BThe mass of $1\,\text{cm}^3$ of liquid Q is greater than the mass of $1\,\text{cm}^3$ of liquid P.
- CThe volume of liquid Q is greater than the volume of liquid P.
- DThe volume of $1\,\text{g}$ of liquid Q is greater than the volume of $1\,\text{g}$ of liquid P.