b
13.Answers Check your understanding
369
Chapter 9
1. c
11 answers text Chapter 11. b
7.
Chapter 12
1. c
4. c
11 answers text Chapter 13. d
4. 14. 12. a
4.
. c
13. c
15 answers text Chapter 10. d
4.
Chapter 10
1. d
10. 11. 14. b
15 answers text Chapter 12
Chapter 13
1.
Chapter 11
1. d
10. c
4. b
7. d
5 answers text Chapter 9. a
7. c
10. c
7. b
10. 11. 12
