Answer:
The following characterized articles that are published in scientific journals are D, because they have to explain scientific and be written .
Explanation:
lol
 
        
                    
             
        
        
        
Answer:
the first and sencond options (1 and 2)
Explanation:
 
        
                    
             
        
        
        
Homogenous mixture, or a solution. 
        
                    
             
        
        
        
Answer:
Ecology is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.