Respuesta :
Answer:
A carbonaceous film or carbon film is an organism outline of a fossil. ... Fossils usually form when sediment buries a dead organism. As sediment piles up, the organism's remains are subjected to pressure and heat. These conditions force gases and liquids from the body
Answer:
B) Residue is left on rocks when organisms decay.
Explanation:
carbon films: residues from decayed organisms left behind on rocks.
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