Text book  reference:  p. 170-171 (Trilogy), p.216-217 (Separate)

Task 1:

Task 2:

Do the interactive starter on Kerboodle:

www.kerboodle.com/app/courses/19723/modules/Resources/content/192175

Task 3:

Answer the questions on this sheet.  If you are working independently, you can't have a debate but the questions are worthwhile.