Respuesta :
the answer is A. A complex substance breaks down into two or more simple substances.
Answer:
A. A complex substance breaks down into two or more simple substances
Explanation:
There is a type of chemical reaction that is called a decomposition reaction. This type of reaction can also be called an analysis reaction and occurs when a compound that is formed by several elements and "broken", that is, that compound divides its structure into one or more simple substances, which are formed by a single type of element, each.