PM. Particles Particles that 10um in diameter or less. They are also a pollutant. How are they
produced and what issues do they cause?​

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

i think it's c. i'm not sure but i think so.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.