Which of the following statements best describes the nature of neutrinos?
1
Neutrinos are subatomic particles with mass much larger than other elementary particles.
2
Neutrinos are subatomic particles with a smaller mass compared to other elementary particles and they interact rarely with matter.
3
Neutrinos are the least abundant subatomic particles in the universe.
4
Neutrinos cannot change their types as they travel and remain in a single state throughout their journey.