What did sewage treatment in Ancient Rome and 19th century London have in common? How effective was this strategy and why?

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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.

protistas excret ethanol used in the manufacture of vinegar