A jihad is "a war or struggle against believers" (among Muslims).
I hope you enjoy both this answer and life! :D
        
             
        
        
        
Answer:
The correct answer is Option C: It is a short work of nonfiction that explains something in an amusing way.
Explanation:
The author uses gravity to talk about the negative effect of weightlessness and  he uses gravity to explain this topic that otherwise could be tedious in an interesting and different angle.
 
        
             
        
        
        
Answer:
Repetition is a literary device that makes an idea or message clearer by using it continuously. 
It can also be used as a rhetorical device; a word, line or sentence repeated to make its significance in the whole text more emphatic. 
From the poem above, the poet uses repetition of the word "If" to emphasizes the need for calm.
"If you can wait and not be tired by waiting," from line 5 shows that the author believes there is a reward if we meet a certain requirement.