anaerobic retting

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Economic importance of bacteria — The economic importance of bacteria derives from the fact that bacteria are exploited by humans in a number of beneficial ways. Despite the fact that some bacteria play harmful roles, such as causing disease and spoiling food, the economic… … Wikipedia
Water stagnation — occurs when water stops flowing. Stagnant water can be a major environmental hazard.DangersMalaria and dengue are among the main dangers of stagnant water, which can become a breeding ground for the mosquitoes that transmit these… … Wikipedia

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