1. Which is the descendant selector in the following code?
    $("#destinations li")
    and what does it mean?
    li is the descendant selector and it means that all the "li" elements under the element with id "destinations" will get selected.

2. What is the difference between the descendand selector and the child selector?
	Descendant selector selects all the elements under our chosen element while the child selector selects only the direct childs of our chosen element.

3. Which one is faster: traversing the DOM or using child selectors?
	Traversing the DOM is faster than using child selectors.

4. In video2.2.html, which element will be selected if you type $("li").first.parent(); (i suppose parenthesis are missing from first())
	<ul id="destinations">

5. In video2.2.html, which element will be selected if you type $("ul").parent();
	<div class="rendered">

6. In video2.2.html, which elements will be selected if you type $("#destinations").children("li");
	<li> Rome</li>
	<li> Madrid</li>
    <li class="promo"> Rio</li>
	
   and which elements will be selected if you type $("#destinations").find("li") ;
	<li> Rome</li>
	<li> Paris</li>
    <li> Lion </li>
	<li> Athens</li>
	<li> Patra </li>
    <li> Thessaloniki </li>
    <li> Madrid</li>
    <li class="promo"> Rio</li>