Carbon
Carbon is the component found in all living matter and fossil fuels.
dinosaur footprints
yes.. they are..
fossils....
Fecal material is a biomass and is renewable.
Direct testing of the fossil material itself or materials associated with it, and indirect testing of material in stratigraphic contexts that bookend the fossil (i.e. a lava flow over the top of the layer a fossil is contained in).
Coal.
Coprolites.
Fossil fuels
What levels?
Mold.
A cast.