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Chapter 9

Author: Julia Richards and R. Scott Hawley

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Figure 9.1

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Figure 9.2

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Figure 9.3

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Figure 9.4

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Figure 9.5

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Figure 9.6

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Figure 9.7

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Figure 9.8

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Figure 9.9

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Figure 9.10

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Figure 9.11

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Figure 9.12

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Figure 9.13

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Figure 9.14

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Figure 9.15

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Figure 9.16

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Figure 9.17

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Figure 9.18

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Figure 9.19

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Figure 9.20