I believe it's persuade. You want to persuade schools to offer better food. B is wrong because you are not entertaining anyone. Inform is wrong because you would just be stating facts. A is wrong because you are not telling someone to do something. Hope this helps! ;)
        
                    
             
        
        
        
Etymology is the study of the history and origin of words 
        
                    
             
        
        
        
Answer:
as though you could use a study break
Explanation:
An adverb clause is a group of words that functions as an adverb in a sentence.
The sentence talks about how some one looks. The way that person looks modifies the verb "look".
Answer: "as though you could use a study break"
 
        
             
        
        
        
Answer:
"Since I want to be accepted to an ivy league college".
Explanation:
The given sentence is: Since I want to be accepted to an ivy league college, I plan to study hard during my high school years.
Now, a dependent clause is a clause that provides a sentence with additional information, however it cannot stand alone as a sentence.
Now, in the given sentence in the question, the depend lent clause will be;
Since I want to be accepted to an ivy league college.
This is because it tells us why you plan to study hard during your high school years. However, it cannot stand alone as a sentence. 
 
        
             
        
        
        
A paragraph is a series of sentences that are organized and coherent, and are all related to a single topic. Almost every piece of writing you do that is longer than a few sentences should be organized into paragraphs. This is because paragraphs show a reader where the subdivisions of an essay begin and end, and thus help the reader see the organization of the essay and grasp its main points.