# data[].attributes.body
Fossil Fuels such as petroleum are made from fossils of marine organisms.  The fossils were subjected to immense pressure in the earth's layers.  The chemical mixture of the fossils changed, and became a fuel source.
https://www.noia.org/about-petroleum/

# data[].attributes.body
Petroleum is a non-renewable fossil fuel and the chief ingredient of petroleum.  The chemical mixture of petroleum is altered and reinforced to create Kevlar.
https://www.noia.org/about-petroleum/

# data[].attributes.body
Kevlar is an extremely strong synthetic plastic.  If it's any testament to the material's strength, the military uses Kevlar as antiballistic armor.  One may wonder what such a strong, invaluable material is made of.
https://www.explainthatstuff.com/kevlar.html