偏见
发表于 2025-3-28 15:55:13
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stress-response
发表于 2025-3-28 19:55:04
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慷慨不好
发表于 2025-3-29 02:07:20
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deforestation
发表于 2025-3-29 03:50:59
Phosphorus,turally in most geological formations and soils in varying amounts and forms; the main source of agricultural and industrial phosphate is deposits of the mineral apatite—known as rock phosphate. Municipal and agricultural pollution is a major source of phosphorus to many water bodies. Most dissolved
Oversee
发表于 2025-3-29 07:17:58
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不出名
发表于 2025-3-29 12:31:22
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苦涩
发表于 2025-3-29 19:27:08
Water Pollution,pended soil particles and can be the cause of excessive sedimentation. Organic wastes impart a high oxygen demand often culminating in low dissolved oxygen concentrations in water bodies. Nutrient pollution of streams and lakes—primarily from nitrogen and phosphorus—results in eutrophication, deteri
河潭
发表于 2025-3-29 20:29:14
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Abrade
发表于 2025-3-30 01:54:44
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MAIZE
发表于 2025-3-30 07:56:57
An Overview of Hydrology and Water Supply,nted. Water quality investigations often require an assessment of water quantity. This is because studies of water quality may necessitate information on amounts of dissolved or particulate substances added to or discharged from aquatic systems as a result of inflowing or outflowing water of natural