>>24787746Not sure why you can't differentiate between "substance" and "compound", since a compound refers to a chemical structure, and a substance refers to a chemical sample. In this regard, since it's so important to your ego, you are correct when referring to the chemical structure of petroleum as being organic.
However, in your need to be correct, you're ignoring that we're referring to substances. In which case nylon and polyester are are synthetic substances in that they are formed by man made processes as opposed to cotton and silk, which are produced naturally by living organisms.
