Briefly explain why it is so expensive to close down a nuclear power plant
What will be an ideal response
The materials in a nuclear power plant absorb radiation from the fuel, and when a plant is closed down it cannot simply be abandoned, but must go through a process called decommissioning. The old building parts and equipment are actually a form of radioactive waste and have to be treated as such. The plant can either be entombed or surrounded by a physical barrier. These options require security around the old plant for 30 to 100 years.
Another approach is to dismantle the plant and send all of the materials to a permanent nuclear waste storage facility (which to date has not been built in any country).
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What percentage of the world's population cannot find enough food to stay healthy?
A. 14% B. 5% C. 34% D. 70%
According to the environmental wisdom world view, humans are ____________________ the community of life, and not separate from it
Fill in the blanks with correct word
Describe the major factors that influence the process of change during primary succession on bare rock exposed by a retreating glacier
What will be an ideal response?
The coast of Northern Africa became known as the _____________ Coast after 1200.
Fill in the blank(s) with the appropriate word(s).