The wide range of pollutants discharged to surface waters can be grouped into broad classes, as shown in Table . Domestic sewage and industrial wastes are called point sources. Urban and agricultural runoff are called non-point sources. [də'mestɪk] ['su：ɪdʒ]生活污水 城市和...
13.9Types of pollutants Water pollutantscan be divided into three major categories: (1) substances that harm humans or animals by causing disease or physical damage; (2) substances or situations that decrease the oxygen content of water, leading to anaerobic decay and the death of aquatic life;...
Water is basic and mandatory need for the humans and the entire living creature on earth. Therefore, the consumption of water by human should be safe, easily accessible, adequate and free from any kind of contamination. Pollutants in water bodies pose a severe threat to human health as well ...
Thewiderangeofpollutantsdischargedtosurfacewaterscanbegroupedintobroad classes,asshowninTable. Domesticsewageandindustrialwastesarecalledpointsources. Urbanandagriculturalrunoffarecallednon-pointsources. [də'mestɪk]['su:ɪdʒ]生活污水 城市和农业径流 ...
Water Pollution: Types, Causes, Sources Water pollution is described as the release of pollutants into bodies of water that render them unsafe to drink and harm aquatic ecosystems. Various contaminants, such as hazardous trash, gasoline, and pathogenic bacteria, can pollute water. Water, a renewabl...
Water Pollutants and Their Sources 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 水污染物及其来源 翻译结果2复制译文编辑译文朗读译文返回顶部...
2.1Water pollution and types of pollutants The presence of any unwanted foreign substance in water, which alter its physical, biological, and chemical aspects and lead to the downfall in the quality of water, is termed aswater pollution(Ukaogo et al., 2020). Natural sources of water pollution...
Figure 2. Water Pollution. Obvious water pollution in the form of floating debris; invisible water pollutants sometimes can be much more harmful than visible ones. Source: Stephen Codrington at Wikimedia Commons Figure 3. Sources of Water Contamination. Sources of some water pollutants and movement...
Step by step video & image solution for What are water pollutants? Discuss in detail the types of water pollutants and also discuss the sources of water pollution. by Chemistry experts to help you in doubts & scoring excellent marks in Class 8 exams. ...
Types and sources of water pollutants Gitanjali Rao explains the fight for clean drinking waterLearn more about the importance of clean drinking water in this interview with Gitanjali Rao. See all videos for this article Water bodies can be polluted by a wide variety of substances, including patho...