What are remains of dead plants and animals that have got buried in a layer of rock grains and trnd into rocks

Fossils...though if there are large enough plant deposits it may form coal.....marine animals can also produce oil deposits.What are remains of dead plants and animals that have got buried in a layer of rock grains and trnd into rocks
Remains of dead plants and animals that have got buried in a layer of rock grains and turned into rocks are FOSSILS.

















http://en.wikipedia.org/wiki/FossilsWhat are remains of dead plants and animals that have got buried in a layer of rock grains and trnd into rocks
Fossils
fossils
fossils