This article talks about how the chemicals from Chernobyl are still effecting the environment today. Also, how the radiation keeps re-entering the environment and how the environment was thought to clean itself much faster than it did. The chemicals keep re-entering the environment. They do this when the radiation is passed from the soil to a plant then an animal. If the animal dies it then starts the process over again. If it is eaten by a different animal then the radiation in passed on to that animal.
1) In which two place do fish have a high level of caesium 137?
2) Up to how many years will food restrictions in the United Kingdom and the former Soviet Union remain?
3)Why should sheep be kept out of the food chain?
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