Answer:
West
Explanation:
The sun rises in the east and sets in the west
 
        
             
        
        
        
Answer: New research shows that colonies of Escherichia coli can demonstrate a form of learning.
Explanation: Bacterial colonies can evolve the ability to anticipate changes in their immediate environment, say researchers led by Saeed Tavazoie at Princeton University in New Jersey. Other types of bacteria could too. This skill could give them the edge over other bacteria that merely adapt themselves to current conditions.
 
        
             
        
        
        
The answer is D. Telegraph, telephone, cordless phone , mobile
        
                    
             
        
        
        
Answer: Pigeon and duck.
Explanation:
From that side of the tree, you can see that the pigeon and the duck are closest together in the tree than the other organisms in the other options.