U-235,the Isotope of Uranium Commonly Utilized in Nuclear Power Plants,is

Multiple Choice

U-235,the isotope of uranium commonly utilized in nuclear power plants,is ________.

A) the most common of the naturally occurring isotopes of uranium
B) heavier than the other well-known isotope of uranium
C) rare even in uranium oxide deposits,and must be enriched before use as fuel
D) only found in granite plutons