An absorption line will appear in a spectrum if an absorbing material is placed between a source and the observer.
        
             
        
        
        
Some may assume that movement and locomotion are the same, but these two words have certain differences. Movement is known to be the time when a living organism will move from one place to another. Locomotion means that the movement that the living organism did has made changes to the current position of the organism.
        
             
        
        
        
The correct answer is Tar
        
                    
             
        
        
        
It represents the cycle of life, because a tadpole should turn into a frog.