In fission, a is one where a neutron imbeds itself in the nucleus of a u-235 atom causing it to break apart. after destructing, more neutrons are created. these neutrons can carry on the cycle by finding more u-235, and, again, starting the fissioning process.

Your answer is c. explanation: plasma  is the fourth state of matter, derived from the gaseous state of matter.  plasma  can contain free  electrons  and/or  ions. while  plasma is never neutral, it can either be positively or negatively charged.  gases, however, are electrically neutral.

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