A good answer might be:

Seems to work.

Table Headings

Tables are easier to understand when their columns have headings, such as the following:

Element Characteristic Color
Barium Yellow
Boron Green
Sodium Yellow
Strontium Red

The headings are in a row, which looks like any row except each item in the row is bracketed by the tags <th> and </th> (for "Table Heading"). Usually this results in the item apearing in bold font and centered within its cell. Add headings to this table:

Now click to see what the HTML does.

QUESTION 12:

Change all the tags for one element from TD to TH. Is it possible to have more than one row of table headings?