Answer: Option C 
Explanation: 
This condition man is due to cardiac arrest and the treatment that could have been done is CPR and then defibrillation.
The cardiac arrest can be defined as the condition by which there is a abrupt loss of heart function who may or may not be diagnosed with heart disease.
It can be fatal if not cured properly and immediately. It can be cured by providing CPR and defibrillation which cure this problem.
hence,the correct answer is option C
 
        
             
        
        
        
Answer: the bond gets weaker .
Explanation:
 
        
             
        
        
        
The Answer is A: Someone who has the capability to guide others!
        
                    
             
        
        
        
Answer:
It has a low density and opaque. 
Explanation:
As it is opaque, the reading of the thermometer can be read accurately