This is C)chemical change
For example combustion where an organic compound is turned into CO2 and water.
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Answer:
Spent fuel rods actively produce radiations despite of the fact that they cannot be used in nuclear reactor. So, their safe transportation is vital. This is typically done by putting spent fuel rods in Type B casks that are made with steel or a combination of steel and lead. This acts as a shield and avoid radiation exposure to the living organisms.
