The correct answer is (3)
I-131 and P-32
The explanation:
according to attached table:
- we can see that the half life of p 32 is 14.28d (more than one hour)
- and the half life of I-131 is 8.021 d
(more than one hour)
and They both have β- decay mode and with half-lives greater than hour.
 
        
                    
             
        
        
        
The pressure is a result of the motion of particles
        
                    
             
        
        
        
Answer= C) CN contains a covalent bond.
 
        
             
        
        
        
40 watts because 120-80 is forty or 80 + 40 - 120
        
             
        
        
        
Assuming this is a true or false question, the answer would be True