Nicolas steno (1638-1686) recognized that fossilized shark teeth were formed from actual prehistoric shark teeth. how did his observations contribute to the development of the atomic theory? a) steno explained that objects could change their composition without changing form. b) steno observed that similar fossils were found in the same strata within a rock formation. c) steno observed that when liquids solidify around a solid object, they conform to the solid's shape. d) steno explained that molecules from the bodies of prehistoric animals decomposed into calcium carbonate.