Biology student is using illustrations of a virus, a bacteria, an amoeba, and a human skin cell to show the relative size of these microscopic objects. which of these is the smallest microscopic object? a) virus b) amoeba c) bacteria d) human skin cell

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.