1:What is the W3C? 2:What is the difference between a W3C "recommendation" and a web "standard"? 3:What does a statement do? 4:What does DTD (used with the statement) refer to? 5:What is the advantage of using amore restrictive (e.g., "strict") DTD? 6:What does the file extension .shtml tell a server to do? (Hint: if you use the extensions .html or .htm, part of your page might turn up missing.) 7:What element and attribute would I use to draw a horizontal line that was only half as wide as the element that contained it? 8:Why would you prefer to use a relative address, instead of a completely specified address, to link to another page within your website? 9:Why would I use the name and id elements with a tag? 10:What attribute would tell a table data cell to merge with the next cell (two cells displayed as a single cell)? What attribute would merge three rows (one cell replacing three cells)?