Why do we exist at all, according to this mystery?

  1. because antimatter is unstable
  2. because of gravity alone
  3. because a tiny excess of matter survived annihilation in the early universe
  4. because matter is heavier
Answer

C) because a tiny excess of matter survived annihilation in the early universe

Origin of matter. SLO P-11-F-27 · Understanding

Physics MCQ · More Nuclear and Particle Physics MCQs · Practise