2 hydrogens and an Oxygen
It is important because if the sample size is smaller, outliers could skew the data more than if it was large.
I think the correct answer from the choices listed above is the last option. The family that contains disinfectants is the halogens. This group includes the elements fluorine, chlorine, bromine, iodine, and astatine. Disinfectants are chemical agents that inhibit or kill microorganisms on inanimate objects.
True Balance forces can not change the motion or direction of an object.
