Over of last two years I found in this project. Now days of our aquatic system has been changed due to some external factors like pollution, urban and semi urban cities, chemical industries etc. Due to this polluting factors mainly determine our aquatic stream. For this reason I felt the research in this area. We recommended our society if we prevent the polluting factors definitely our aquatic system saved for our younger generation.
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Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.