Etiquette determine which behaviours are polite and impolite among players and team....
 
        
             
        
        
        
If some living things do not reproduce this could be considered a defect or a genetic mutation in those people. If we take humans for example, if most humans reproduce and some don't because they cannot (if a guy cannot produce sperm) this doesn't mean that he isn't alive, it just means he was born with a genetic mutation which doesn't allow him to produce sperm needed for reproducing. 
        
             
        
        
        
Answer:
The main difference between dyadic and group communication is that dyadic communications take place between two people, but group communications take place between three or more people. ... Both dyadic communication and group communication involve a comparatively small number of people
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I used the search engine.
 
        
             
        
        
        
Answer:The brainstem has an ectodermal origin and is composed of 4 parts: the diencephalon, mesencephalon, pons, and medulla oblongata.
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