Answer:
Circadian rhythm, or circadian clock, is an internal biological clock that regulates sleeping and feeding patterns, as well as a whole host of other biological functions in all living organisms. Organisms most active in the daytime are diurnal, humans included, whereas nocturnal organisms come alive at night.
 
        
             
        
        
        
idek ask google .............
 
        
                    
             
        
        
        
Answer:
When we (were) young, we (weren't) very outgoing.
(Call) me in, five minutes?
(Catch) all of the bank robbers this morning?
The Earth (can not be) flat.
 
        
             
        
        
        
Answer:
D. wittiness.
Explanation:
An epigram is a short form of verse that often is satirical, "On My First Son" by Ben Jonson the story been told is about the loss of a son, yet he finds a way out of his pain suggesting he should love less so he doesn’t suffer much. This characteristic of an epigram is known as wittiness, that is a clever way of thinking or finding solutions for problems. Wittiness can also appear in the form or how the verse is written.
 
        
             
        
        
        
Answer:
the overall mood. 
The tone of a story is how the author shows the general attitude in the story. So if the story seems sad through the words, you can assume the rest of the story will be as well. 
Think of it as a horror movie. Weird or scary things happen in the beginning, and that general tone/theme will continue throughout.