Furthermore, in contrast to closed-systems, the open-system perspective does not assume that the environment is static. Instead, change is the rule rather than the exception. Consequently, investigation of environmental stability and propensity to change is a key task of a company, making the activities of an organization contingent on various environmental forces.
Methylmercury is a type of mercury, a metal that is liquid at room temperature. A nickname for mercury is quicksilver. Most compounds containing mercury are poisonous. Methylmercury is a very poisonous form of mercury. It forms when bacteria react with mercury in water, soil, or plants. It has been used to preserve grain that is fed to animals. Methylmercury poisoning has occurred in people who have eaten meat from animals that ate grain that was treated with this from of mercury.
1 Exposure level: Overall mercury level for each of the two main forms of mercury (methylmercury, related to your fish/seafood consumption, and inorganic mercury, related to dental amalgam exposure). 2  Excretion ability: How well your body is getting rid of each kind of mercury, regardless of your overall mercury level.