adult
agricultural
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bacteria
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biology
bottle
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concept
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danger
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depth
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examine
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young researchers Researching wastewater caused by plankton bloom Affects aquatic animals and ecosystems, decreasing oxygen, especially on the sea floor.の素材 [FY310214274574]
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![Aerial drone view of a curved winding road through the forest up in the mountains in the winter with snow covered trees and curved streets in winter while sunset and sun rays casting troughの素材 [FY310121206938]](https://images.assetsdelivery.com/compings_v2/mwdphotography/mwdphotography1902/mwdphotography190200074.jpg "Aerial drone view of a curved winding road through the forest up in the mountains in the winter with snow covered trees and curved streets in winter while sunset and sun rays casting troughの素材 [FY310121206938]")