A Picture of Petroleum. By the look of it, petroleum probably hardens as it is exposed to air.
A Picture of Coal. This is coal after it is mined.
A Picture of Propane. This is prpane inside a fuel tank ready to be used on a grill.
Subscribe to:
Post Comments (Atom)
Bayley-- label these pictures. They look great but tell us more about them.
ReplyDeleteok, thanks for telling me
ReplyDelete