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741318.fig.003b
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741318.fig.003c
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741318.fig.003d
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741318.fig.003e
(e)
Figure 3: Five factors of evolution of all nodes versus time. (a) Population; (b) economic level; (c) habitats area; (d) energy consumption per GDP; (e) air pollution. In each subgraph, five nations with top amount of corresponding property are highlighted.