Terrestrial planets tend to contain less mass within their volumes is the correct option.What are terrestrial planets?The planets that are solid and rocky in nature are referred to as terrestrial planets. In our solar system, there are four terrestrial planets: Mercury, Venus, Earth, and Mars. These planets are located closer to the Sun than the outer planets.Jovian or outer planets are mostly composed of gas and are much larger in size and mass than terrestrial planets. Due to their rapid rotations, these planets exhibit strong equatorial bulges.Among the provided options, the terrestrial planets tend to contain less mass within their volumes is the correct answer. The outer planets tend to contain more mass within their volumes.