What is the difference between a subscript and a coefficient ?

Subscripts: Part of the chemical formulas of the reactants and products that indicate the number of atoms of the preceding element. Coefficient: A small whole number that appears in front of a formula in a balanced chemical equation.

the missing space is phylum

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )