21.4.notebook May 09, 2018...21.4.notebook May 09, 2018 one of the four power‐generating units in...
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one of the four power‐generating units in the Chernobyl complex exploded, blowing the top off the containment building
The reactor suffered a partial meltdown that was contained by the giant, pill‐shaped steel vessel containing the core.
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low‐level wastes and high‐level wastes. Low level wastes consist of materials that release a relatively small level of radiation or that will soon decay to a level where they no longer present a threat to humans and the environment. High‐level wastes are a different matter. After a period of time, the fuel rods in a reactor are no longer able to sustain a chain reaction and must be removed. These rods are still highly radioactive, however, and present a serious threat to human life and the environment that can be expected to last for tens of thousands of years.
the government decided to construct a huge crypt in the middle of Yucca Mountain in Nevada for the burial of high‐level wastes
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A fusion reaction is one in which two small atomic nuclei combine with each other to form one larger nucleus