question: certain fossils were found in certain layers of sedimentary or igneous rocks. these layers are…

question: certain fossils were found in certain layers of sedimentary or igneous rocks. these layers are called ___.
Answer
Brief Explanations:
In geology, rock layers with fossils are called strata. Strata are layers of sedimentary or igneous rocks that can contain fossils and are important for understanding the geological history and chronological sequence of events.
Answer:
strata