fdgdte
contestada

a sedimentary rock containing a fossilized sea shell had been found. what does this tell you about the area at the time the rock was formed?

Respuesta :

It tells you that there used to be an ocean in the area the rock was found.
Sedimentary rocks are formed from the breaking apart of other rocks (igneous, metamorphic, or sedimentary rocks) and the cementation, compaction and recrystallization of these broken pieces of rock.