Plants that produce fruit or vegetables grow from seeds. Suppose you want to start a vegetable garden using seeds. How could you get the seeds to sprout?

answer:

the buoyant force on a submerged object is equal to the weight of the fluid displaced. this principle is useful for determining the volume and therefore the density of an irregularly shaped object by measuring its mass in air and its effective mass when submerged in water (density = 1 gram per cubic centimeter).