The diagram shows one liquid floating on top of another liquid.
Which statement explains why liquid P floats on top of liquid Q?
A) The mass of liquid Q is greater than the mass of liquid P.
B) The mass of 1 cm3 of liquid Q is greater than the mass of 1 cm3 of liquid P.
C) The volume of liquid Q is greater than the volume of liquid P.
D) The volume of 1 g of liquid Q is greater than the volume of 1 g of liquid P.