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Correct Answer: (C)
0.7%
Explanation: naturally occurring uranium contains only 0.7% of fissionable u-235, which is not enough for most types of rectors. it is necessary to increase the amount of u- 235 by enrichment, although it is a difficult and expensive process.
Explanation by: Mr. Dubey
naturally occurring uranium contains only 0.7% of fissionable u-235, which is not enough for most types of rectors. it is necessary to increase the amount of u- 235 by enrichment, although it is a difficult and expensive process.
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