Yes, if it’s a parallel circuit the wires are two different wires so it will light because that bulb isn’t connected to the one that went out
        
             
        
        
        
True. 
SF are used for simplifying figures in a measurement to produce a more accurate reading. 
        
             
        
        
        
I know it would be calcium chloride, not sure why. Maybe someone could answer that part.
        
                    
             
        
        
        
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