If scientists are wrong about Earth's Age based on radioactive material in the Decay rates are really much faster how would nuclear power plants be affected

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.