The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?
a) 3 billion years
b) 100 years
c) 0.01 minute
d) 13 days
The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?
a) 3 billion years
b) 100 years
c) 0.01 minute
d) 13 days
