Part 1 Environmental Science and Ecological Principles | 1 | (116) | |||
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3 | (22) | |||
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25 | (20) | |||
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45 | (24) | |||
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69 | (24) | |||
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93 | (24) | |||
Part 2 Population, Economics, and Environmental Health | 117 | (86) | |||
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119 | (14) | |||
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133 | (26) | |||
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159 | (24) | |||
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183 | (20) | |||
Part 3 Food, Land, and Biological Resources | 203 | (138) | |||
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205 | (22) | |||
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227 | (22) | |||
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249 | (20) | |||
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269 | (24) | |||
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293 | (24) | |||
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317 | (24) | |||
Part 4 Physical Resources | 341 | (172) | |||
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343 | (20) | |||
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363 | (22) | |||
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385 | (26) | |||
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411 | (24) | |||
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435 | (28) | |||
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463 | (24) | |||
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487 | (26) | |||
Part 5 Society and the Environment | 513 | (48) | |||
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515 | (22) | |||
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537 | (24) | |||
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561 |