The most obvious way to reduce the shortage of food is to reduce population which seems like a long term effort however science has enables us to develop certain ways that could be used to reduce the shortage of food. We are familiar with the term genetically modified plants and animals.  
This technique has enabled us to produce plants and animals of our choice at a faster rate than normal.  
With the help of this we can put desirable traits in organisms.
 
        
             
        
        
        
You didn’t state the investigation we need to apply the role of alcohol to
        
                    
             
        
        
        
Answer:
Genetics- this is the scientific study of genes and heredity. 
Breeding-  The production of offspring by animals.
 
        
             
        
        
        
<span>The place where two bones meet and allow our skeletons to be more flexible is known as a Joint.</span>
        
                    
             
        
        
        
Every time you eat a cookie or candy bar, your blood sugar increases. This triggers an increase in the hormone insulin.   Insulin<span> is a hormone made by the pancreas which allows your body to use sugar (glucose) from carbohydrates in the food that you eat, or to store glucose for future use. </span>Insulin<span> helps keeps your blood sugar level from getting too high (hyperglycemia) or too low (hypoglycemia).</span>