From: feed.supplier@somewhere.cbr   
      
   I need help with this assignment that's due today. For your information, this   
   is translated through google translate, so it may not sound right when you   
   read it. I would hope if you could correct the veracity of the information   
   provided, as well as if I    
   am repeating myself through the text, etc. I strive to get a grade A on this   
   assignment, and for that, my teacher told me that I have to meet these   
   criteria:   
      
   _Answer in detail (write detailed explanations of processes and show that you   
   also understand the overall picture) but also nuanced, i.e. write detailed,   
   compare, reflect, use a correct language (terminology), generalize, find   
   examples that do not come    
   directly from the book, etc. You must also be able to limit yourself, write in   
   a structured, rigorous, and concise manner._   
      
   Here is the question and answer to the assignment:   
      
      
   Eating fish is something that is recommended by, among many others, the   
   National Food Administration. At the same time, pregnant women and people who   
   fish a lot themselves are warned against eating a lot of fish from the Baltic   
   Sea.Answer the following    
   questions:Why is it useful to eat fish?Why can it be dangerous to eat a lot of   
   fish from the Baltic Sea?Your answer should partly explain how environmental   
   toxins are spread in the ecosystem, and partly how it affects people to ingest   
   these toxins. NOTE!    
   Your answer should be a maximum of 1 A4. Write your answer below!Fish contains   
   large amounts of fats that are useful for us. To reduce the risk of   
   cardiovascular disease, consuming Omega-3 fatty acid, also found in fish, is   
   good for us. Omega-3 is also    
   important for brain development and functioning. In addition to this, fish   
   also contains vitamin D, iodine, and selenium, and the daily intake of these   
   is not that much, usually. It is recommended to eat seafood two to three times   
   a week, where there    
   should be a variation between lean and fatty varieties, and that these should   
   be eco-labeled. (Livsmedelsverket 2020)   
      
   However, consuming too much fish can cause problems. These problems are rooted   
   in the presence of pollutants in the Baltic Sea where fishing takes place,   
   where some of these pollutants can be PCBs, dioxins, and mercury. The greatest   
   sensitivity to these    
   pollutants is in, for example, young people, children, or women who want to   
   get pregnant, as they have a specific sensitivity to these pollutants. For   
   them, it is recommended that the consumption of fish that may contain high   
   levels of dioxin and PCB be    
   2-3 times per year, which is otherwise a recommendation of 2-3 times per week   
   to consume fish. The risk of ingesting these pollutants is reduced if you   
   diversify fish consumption and eat different varieties, because otherwise, you   
   can be exposed to these    
   environmental toxins in a more concentrated manner. It has been shown that it   
   affects people in different ways, for example by being carcinogenic or by   
   affecting the development of the central nervous system. It can also affect   
   the hormonal system and    
   thus prevent a person from being able to have children. Substances such as   
   PCBs, which are a collection of 209 different persistent and toxic substances,   
   and dioxins, can dissolve in fat and be stored in the fish's adipose tissue.   
   How these substances    
   end up in fish is based on the fact that leakage occurs from industries, where   
   PCBs are an organic environmental pollutant and an industrial chemical that is   
   used in several areas, such as sealants in houses, or transformers. Dioxins   
   have spread in the    
   Baltic Sea also through incineration processes such as waste incineration   
   where it is formed as a pollutant, or where chemicals containing chlorine are   
   produced. It can also occur when producing pesticides and other organic   
   substances that are    
   chlorinated. Unlike PCB, it has no uses. Dioxides are also like PCBs, a group   
   consisting of 210 different pollutants, where a couple of tens of these are   
   judged to be toxic to humans, and can be spread through air, both from   
   anthropogenic sources as well    
   as natural sources. A natural source can be volcanic activity, or forest   
   fires. Anthropogenic sources can be the unintentional formation as mentioned   
   above, from different sectors such as the electricity and district heating   
   sector, or the waste sector.    
   Industrial production is included here as well. Fortunately, emissions from   
   waste incineration, car emissions, and carbon bleaching of pulp have decreased   
   as of recent times. (Ibid.; Swedish Environmental Protection Agency 2020)   
      
      
      
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