its called animation, a collection of a movement of graphics.
 
        
                    
             
        
        
        
Answer:
The answer is: c. Adding external CSS is a good practice for various reasons, including code organization.
Explanation:
External CSS improves maintainability in code.  
Internal CSS has precedence over external CSS, it means that internal will overwrite external CSS, but abuse of internal CSS  often makes hard to maintain HTML code on a large website.
 Furthermore, it is much easier to modify one CSS(external) file that can impact multiple web pages than go into every HTML page and modify your styles per page. Many sites have hundred or more pages, go through each one wouldn't be productive.
 
        
             
        
        
        
I am guessing the bluetooth process is same as usb proccess. So when i transfered a video via usb and took out the usb (for apple phone), there <u>was</u> a file but when i clicked it it said that the phone isn't plugged in
 
        
             
        
        
        
Answer:
NFC(Near Field Communication).
Explanation:
When user wants to share pictures quickly between the mobile devices which are in very close proximity we can use NFC(Near Field Communication).
Near Field Communication(NFC):-It is a group of communication protocols that lets two devices most of the times these are mobile phones to establish connection and the distance between them should be less around 4 centi meter.