Answer:
Eukaryote and Prokaryote
Eukaryotes have a nucleus and prokaryotes don't
 
        
                    
             
        
        
        
A possible Hypothesis probably .
        
             
        
        
        
Administer varicella vaccine to the health 6-year old child (who does not have evidence of immunity to varicella) was exposed to a confirmed case of varicella 2 days ago. 
Explanation:
It is seen that if a child receives varicella vaccine between 3 to 5 days of exposure, he is safe as disease will not appear in him and would be saved for future infections.
Varicella vaccine is given for prevention against small pox. It is expected once immunised with varicella body will produce antibodies for a span of twenty years or more.
 
        
             
        
        
        
By soil parent material type is understoodunconsolidated deposits (regolith) found on the bedrock. Most Soil parent materials are made up from weathered and disintegrated rock material.