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Yet we may despise or cannot the discern the beauty in some creatures does not make them inferior in the purpose. Cockroaches and rats are very important. Their presence and their proclivity to carry away waste or even disease ridden objects or potential hazards. They serve as bases of our experiments and the list continues on and on. Just because they are seemingly meaningless and repulsive does not make them flawed. PS i got this answer from http://www.yahooanswers.com

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13y ago

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