Which of the following statements concerning radiation is/are correct?
1. An argon-filled Geiger counter tube cannot detect neutron radiation.
2. Radiation only causes damage to biological materials.
3. The greater relative biological effectiveness of alpha radiation compared to neutron radiation means alpha radiation is more destructive to human tissue.
a) only
b) 2 only
c) 3 only
d) 1 and 3
e) 2 and 3