Which scientific evidence best supports the theory that Earth’s history includes mass extinctions?(1 point)
Responses
the presence and then absence of fossils in rock layers
the presence and then absence of fossils in rock layers
the similarities in composition of rock layers
the similarities in composition of rock layers
the number of species that are fossilized
the number of species that are fossilized
the fossils that are discovered in upper layers of rock
1 answer
the fossils that are discovered in upper layers of rock