Figure 2.4 © 2017 Pearson Education, Inc.

Figure 2.6 © 2017 Pearson Education, Inc.

Figure 2.7a © 2017 Pearson Education, Inc.

Unnumbered Figure Page 28 © 2017 Pearson Education, Inc.

Figure 2.9 © 2017 Pearson Education, Inc.

Figure 2.10 © 2017 Pearson Education, Inc.

Figure 2.11a © 2017 Pearson Education, Inc.

Figure 2.12 © 2017 Pearson Education, Inc.

Figure 2.14 © 2017 Pearson Education, Inc.

Figure 2.15 © 2017 Pearson Education, Inc.

Figure 2.16 © 2017 Pearson Education, Inc.

Figure 2.20 © 2017 Pearson Education, Inc.

Figure 2.21 © 2017 Pearson Education, Inc.

Figure 2.22 © 2017 Pearson Education, Inc.

Figure 2.23 © 2017 Pearson Education, Inc.

Figure 2.23a © 2017 Pearson Education, Inc.

Figure 2.23b © 2017 Pearson Education, Inc.

Figure 2.24 © 2017 Pearson Education, Inc.

Figure 2.25 © 2017 Pearson Education, Inc.

Figure 2.26 © 2017 Pearson Education, Inc.

Figure 2.28 © 2017 Pearson Education, Inc.

Figure 2.28b © 2017 Pearson Education, Inc.

Figure 2.32 © 2017 Pearson Education, Inc.

Figure 2.33 © 2017 Pearson Education, Inc.