Answer:
1. Open Step13-7 from the data files and save the document as H2O1.
2. Click the Page Layout tab. Click the Line numbers button and click Continuous from the list of options. Line numbers will appear to the left of each line, which will make it easier to identify the lines of text in the document.
3. Select all of the text in line 1. Word is intuitive, and because you selected text, a semitransparent image of the Minitoolbar with common formatting commands appears above the selection. Your screen should look similar to Figure 13-9. If you do not see the Mini toolbar, select to text again, and do not move the mouse pointer away from the seletion.
4. Postion the mouse