Answer:
an actuator is a device that uses a form of power to convert a control signal into mechanical motion
 
        
                    
             
        
        
        
Answer:
The veins carry oxygen depleted blood away from body parts,  hence the color blue.
Explanation:
 
        
             
        
        
        
Straight 
Curvilinear 
Rectilinear
        
             
        
        
        
Answer:
I would email this apps customer service or contact apple customer service I hope you are able to find a way to fix it!
Explanation:
The email is 
 
        
             
        
        
        
The working of dot matrix printer is provided in the picture.