What is the abstract noun for the adjective true?

Over a 200-year period a volcano erupted once According to this information what is the yearly frequency of volcanic eruption? How many amps and six gauge aluminum handle? What do you do with the extra blue wire on a replacement ballast? What two molecues are found in starch? Which two sensory systems contain structures called maculae? What planet has its years longer than its day? Is zink a metal? How much alcohol does wkd have? Is kinetic energy increases as mass increases is that ture? Is a heart beat a chemical or a physical change? What element reactions with Cu(C2H3O2)2? 50 hertz is what period of vibration? What is the percent efficiency of a 60W light bulb that produces 6W of light energy? Why is methyl red indicator more suitable? 3 producers in the ocean? How do you pronounce Europa? What is the gram stain for leptospira icterorrhsgiae? How fast can tornadoes travel in mph? What effect of ozone layer depletion due to air pollution? Do small ice cubes and large block of ice freeze at the same temperature?