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@ -738,6 +738,11 @@ Congratulations! You have completed Day 3 challenge
 ## Exercise
 1. What is the acronym DOM stands for?
 2. What is the root of the DOM tree?
 3. What are the children of *html* tag
 4. How many children can the head have?
 5. How many children can the body have?  
 Make a DOM tree of the following HTML code
 ```html