Answer:
element made up of four (4) similar atoms.
Explanation:
An element is made up of one kind of atom. A compound is made up of 2 or more different kinds of atoms that are chemically together.
 
        
             
        
        
        
Correct  answer: Option D, <span>
K = 5.04 × 10^52</span>
Reason:
We know that, 
Ecell = 

,
where n = number of electrons = 2 (in present case)
K = equilibrium constant.
Also, Ecell = <span>+1.56 v
Therefore, 1.56 = </span>

Therefore, log (K) = 52.703
Therefore,  K = 5.04 X 10^52
 
        
                    
             
        
        
        
If one does not do so, the cut can lead to being infected with various pathogens and other Bacteria, possibly worsening the Minor injury. Thus taking additional medication and further required time to heal.
        
             
        
        
        
Except D. 
Pollution doesn't prevent cancer. 
Unless the pollution is made of a cancer-curing medicine.