Range means the difference between the highest and lowest number. So subtract 25 - 14 which gives you 11.
The film which you called it is photographic film and it is strip like sheet and it's surface is clrear and transparent plastic which is coated on
two sided one side is with gelatin emulsion consists microscopic small light-sensor which is actually very sensitive in nature silver halides crystals. The size shape and other characters of the crystals gives the sensitivity,contrast of different colors combination ,and resolution of the films.
Yes, anything that lives. Cells have a nucleus, they are alive and can reproduce. (Not man made/abiotic)
