Answer:
The_GALLBLADDER_concentrates bile produced by the_LIVER_and stores this concentrate until it is needed for digestion.
 
        
             
        
        
        
Answer:
We only know it's there because we can see the effect of its gravity. Scientists study dark matter by looking at the effects it has on visible objects. Scientists believe that dark matter may account for the unexplained motions of stars within galaxies. Computers play an important role in the search for dark matter information.
Explanation:
Hope That helps!
 
        
             
        
        
        
The answer is to take a photograph of the mark
        
                    
             
        
        
        
Answer:
Earth's magnetic field is created within Earth by the motion of liquid __________________ in Earth's _________________.
Explanation: iron; outer core