Question

boyles law explains
the way to develop an idea and design an experiment.
the impact of gravity on the motion of objects on earth.
the relationship between pressure and the volume of gas.
the elliptical orbit of earth and other planets around the sun.

Explanation:

Boyle's law states that for a given mass of gas at a constant temperature, the pressure and volume of the gas are inversely proportional.

Answer:

the relationship between pressure and the volume of gas.