Leroux health care can reduce the the cost of regular health care by offering more options in their network to doctors, hospitals, and clinics that don't cost as much. They can also help by offering genetic prescriptions which the costumer gets the same medication for a cheaper price. They can also offer prescription discount cards and provide a list of pharmacies the will accept the discount cards.
        
                    
             
        
        
        
There are different causes to error in measurement, most common are instrument precision and misreading the measurements. Some cases are from the experimenter judging to what they want rather than the reading itself.(no offense)
But... measurements are never accurate anyway, they're all estimations.
        
             
        
        
        
Answer:
One possible cause of persistent sadness could be depression
Explanation:
 
        
                    
             
        
        
        
The second one probably because of the law of conservation of mass where mass is not created or destroyed, so the mass has to be the same.
 
        
                    
             
        
        
        
Seismic Waves!
Hope this helped :-)