​Match Each Item with the Correct Statement Below.​

Multiple Choice

​Match each item with the correct statement below.​
-may annihilate upon collision with a particle to produce gamma rays

A) ​time dilation
B) ​elementary particle
C) ​antiparticle
D) ​spin
E) ​fermions
F) ​bosons
G) ​baryons
H) ​leptons
I) ​strange particles
J) ​quarks
K) ​charm
L) ​electroweak interaction
M) ​GUTs
N) ​intermediate bosons
O) ​mesons