Bio refers to study of living things + technology (is pretty straightforward- i dont think i need to explain this)
This means Vincent modifies the DNA of bacteria to study the function of their genes is the correct answer :)
        
             
        
        
        
Answer:
I believe the answer is D
 
        
                    
             
        
        
        
Answer: Young children 
Explanation: Resistance to food borne illnesses develops through exposure to small amounts of food borne pathogens. The longer the exposure, the greater the buildup of immunity. Young children are more likely to succumb to food borne illnesses due to lack of exposure to pathogens, and resultant lack of resistance to them.
 
        
             
        
        
        
C eastern Europe
Mostly near the baltics and the Balkans, but Czech is also a slavic language.
        
             
        
        
        
As the main illness before you have a fever will normally be sore throat ( if you are heaty ) and flu ( if you caught a cold ) . 
Hence the Doctors need to start monitoring the sore throats more carefully to prevent the increase of rheumatic fever cases . 
Hope this helps !! :)