venerdì 29 maggio 2009

i fossili

Fossiles are living organisms we find in sedimentary rocks.
The fossiles give a useful vision of earth 's past.
Paleontology is the science wich studies liiving organisms with their fossilization.
WHICH ROCK CONTAIN FOSSILES?
The sedimentary and metamorphic rock.
Viola.F. Longobardi.O.

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