Answer:
If your on pc like me use ad blocker I do that but otherwise watch the add press ok after if it dosemt work tell me I’ll try and find you it and for ad blocker you also can have a jailbreak divice and to get and blocker go to chrome extension website search up pop up ad blocker
Explanation:
 
        
             
        
        
        
Answer:
when user wants duplicate copy of the object
Explanation:
Encapsulation are one of the key foundations of object-oriented programming (OOP). It involves the bundling of data or information with the methods and various techniques which operate on that data. 
It can be used in hiding the true values or state of a structured data object that is in a class, preventing unauthorized parties' direct access to them.
The circumstances that can be allowed in returning a reference to the existing Engine is when user wants duplicate copy of the object.
 
        
             
        
        
        
The answer is a. im pretty positive but if im wrong super sorry
 
        
             
        
        
        
Microsoft word is an example of a graphical word program
 
        
             
        
        
        
Electric power and electrical energy are related because electrical energy comes from electrical power. If one comes from the other, they are related. Hope this helps!