Multiple choice Which of the following statements is correct with reference to our solar system? Earth is the densest of all the planets in our solar system. The predominant element in the composition of Earth is silicon. Sun contains 75 percent of the mass of the solar system. The diameter of Sun is 190 times that of Earth. Reveal answer Fill a bubble to check yourself A Correct answer Explanation Earth is the densest of all the planets. Density of Earth is 5.52.