2. What is HTML validation and why is it necessary?
Checks the code to make sure it works across browsers
3. Match the following HTML tags to its function:
1.h (html-the entire doc is enclosed within these tags)
2.e (a href-links to an external page)
3.b (img-puts an image on your page)
4.f (head-the heading is enclosed within these tags)
5.c (title-specifies a title)
6.i (p-identifies a paragraph)
7.a (script-enables you to write javascript)
8.d (table-makes a table)
9.g (tr-makes a row for your table)