Navigational Tips:

• Next buttons are provided throughout the course for moving forward. If you wish to return to a previous page, click the "Back" button on your browser.
• Throughout the course, numerous references are made to web sites. These references are linked to the sites (they appear as blue underlined words) and clicking on them will take you to that page or site. Remember when visiting those sites that you will need to use the "Back" button on your browser to return to your place in this course.