Answer:
It is contrasting what produces the pulling power of a whirlpool and a black hole.
Explanation: I just did the assignment in edge:)
 
        
                    
             
        
        
        
Answer:
Explanation: When you use different words in different tenses, it makes you think about the time these events took place. If I said “I walked yesterday” that was in the past but if I say “I’m walking” you know that’s present tense 
 
        
                    
             
        
        
        
Answer:
where is poem? in that content
 
        
             
        
        
        
"The Gift of the Magi" remains a popular story for its sentimental narrative, with moral lessons around Christmas time. With timeless themes of youth, love, relationships, money struggles and Christmas it remains universally popular.
        
             
        
        
        
Answer:c. income must be earned. 
Explanation:
This means one is expected to go to work everyday as stated in their contract and when they get there they need to do their work.
One can not go to work and just sit at the office and discuss current affairs with the colleagues unless it is lunch time.
When one works they get paid ,however when they stay at home and not work or go to work they can not expect to be paid .