The anti-matter is composed of: __________________?
AAnti-neutron
BAnti-electrons
CAll of these
DAnti-proton
Correct answer
C. All of these
Explanation
The correct answer is D. All of these. Anti-matter is composed of antiparticles, which are counterparts to the particles of ordinary matter. Therefore, anti-matter includes anti-electrons (positrons), anti-protons, and anti-neutrons.