Please do not forget to do the questionnaire for this semester. The university will tell you about it.
Next Friday, August 14th, is the last class for this semester. (Finish Unit 4)
Today: Continue in Unit 4.
Session 1: Do p. 70, B: Do p. 71, A and B #3. (For B, everybody in your group should think of a different negative impact.)
Session 2: Watch this Youtube video by Barton Seaver (He's the guy on p. 72 of your textbook):
Read pp. 72/73; Do p. 74, A and B.
Session 3: Do p. 74 C and D.