Answer:
See explanation for answer. 
Explanation:
First of all, GMO stands for genetically modified crops just to clear things up. GMOs influence our access to healthy food by making it easier to access, more plentiful, and higher in nutritional value. GMOs have influenced our access to healthy food positively. Especially, by the need for as many pesticides as before and by overall reducing the cost for production of food.  
I hope this helps!
Have a lovely night!
 
        
             
        
        
        
A plot is closely related to subject matter. This is where the story that is written directly discusses the general theme or the general subject that will be portrayed by the writer through his thorough writing. Plots are designed for readers to understand the material's overall content and how the story would probably go.
        
             
        
        
        
Answer:
A
Explanation:
The theme of the story is the central idea.  
 
        
             
        
        
        
Answer:
Chunking
Explanation:
In Cognitive Psychology ( study of mental process like memory, attention, perception etc), Chunking is a method of memorizing in which an information is broken down and then grouped together. Chunking facilitates easy retrieval of information. 
Vikranth could easily remember due to the grouped categorization of the information rather than individually. He breaks the 20 letters and groups it into seven. It is a memory mechanism to improve the perception level and to store the information easily.