Nuclear fission is conventional nuclear energy and is the only type of nuclear energy currently being used in the U.S.
(Nuclear fission; is; conventional nuclear energy) (Nuclear fission; is; the only type of nuclear energy) (nuclear energy; being used; L:in the U.S.; T:currently)
Nuclear fission Nuclear fission nuclear energy
is is being used
conventional nuclear energy
the only type of nuclear energy
L:in the U.S. T:currently