How can scientists use evidence to determine whether a mass

Last updated: 4/28/2023

How can scientists use evidence to determine whether a mass extinction event occurred at a certain point in Earth s history A They can look for new structures and biomarkers in the fossils of many species B They can look for a high level of radioactive isotopes in the fossils from that time period OC They can look for the disappearance of many species and their biomarkers in rock layers D They can look for similarities in the structures of fossilized species when compared with those of modern species