Enrichment of nuclear fuel

A) increases the relative concentration of uranium-235 to only 3 to 5% in order to avoid any possibility nuclear explosion at higher percentages.
B) increases the relative concentration of uranium-235 to 30 to 50% in order to avoid a nuclear explosion at higher percentages.
C) decreases the relative concentration of uranium-235 from 60% to only 3 to 5% in order to avoid a nuclear explosion at higher percentages.
D) decreases the relative concentration of uranium-235 from 100% to 30 to 50% in order to avoid a nuclear explosion at higher percentages.


A

Environmental & Atmospheric Sciences

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