# data[].attributes.body
Petroleum, however, is made up of remains of plants and animals which died millions of years ago, a.k.a. fossil fuel. As you see below, here is an example of a fossil fuel.
Site:

1. https://health.howstuffworks.com/skin-care/cleansing/basics/natural-sea-sponges-good-for-skin2.htm

2. https://www.naturalbathbody.com/sea-sponge-vs-synthetic-sponge.html

# data[].attributes.body
My synthetic material, artificial sponge, is made up of petroleum. Of which, is a liquid mixture of hydrocarbons.
Site:

1. https://www.hunker.com/13411594/how-to-paint-a-laminate-countertop-to-look-like-real-granite

# data[].attributes.body
My synthetic material is Artificial sponge.