Answers: Exercise 3_8 Equilibrium A, D, D, A, D, B, B, B, C, A 1. A 2. D 3. D 4. A 5. D 6. B 7. B 8. B 9. C 10. A 11. 12. 13. Answer: C 14. a) c) Answer: Yield increases. 15.
