Answer: A; A substance that can be broken down into several substances.
Google has this defined as: each of more than one hundred substances that cannot be chemically inter converted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e. the number of protons in the nuclei of its atoms.
Thus from a scientific standpoint, an element is a substance that can be broken down into several substances!
Stay safe
-Carrie
P.S. it would mean a lot if you marked brainliest
