Multiple choice

Which of the following options is/are true?

  1. Pluto is a dwarf planet.

  2. All planets revolve in their respective orbits due to centripetal force.

  3. Sun contains 99.86% mass of the solar family.

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 Pluto is a dwarf planet. Sun contains 99.86% mass of the solar family. All planets revolve in their respective orbits due to centripetal force.