Sorry I honestly have no idea I just want my points
People who work with radioactive materials often wear a film badge to reveal how much radiation they have been exposed to. The film badge dosimeter or the film badge is a dosimeter worn by these people working with materials that are radioactive for the purpose of monitoring cumulative radiation dose due to ionizing radiation. The badge has two parts; the photographic film, and a holder.
One molecule of water contains two atoms of hydrogen and one atom of oxygen, the atomicity of water is three.
Answer:
it will option B ,hope it helps
Yes ...................................
