Question

Which one of the following statements is correct with reference to our solar system?

• A. The Earth is the densest of all the planets in our solar system
• B. The predominant element in the composition of Earth is silicon
• C. The Sun contains 75 percent of the mass of the solar system
• D. The diameter of the Sun is 190 times that of the Earth

Answer 1

The correct option is A The Earth is the densest of all the planets in our solar system

Ans. (a)

Explanation

The predominant element in the earth's composition is 'Fe' (35%), while in the earth's crust is Oxygen (46 %). The Sun contains more than 99% of the mass of the Solar System. The diameter of the Sun is 109 times that of the Earth.