Question

A team of archaeologists excavating a sedimentary rock layer come across some primitive hunting tools used by early humans. As the dig progresses, they unearth the fossilized remains of a dinosaur from another layer of the sedimentary rock. Why do these discoveries indicate that the rocks were formed over millions of years? 8.E.6A.4 *
A) Humans and dinosaurs coexisted about a million years ago.
B) Early humans appeared on Earth about a million years ago.
C) Dinosaurs became extinct millions of years before humans appeared.
D) Humans hunted dinosaurs and were responsible for their extinction.

Answer 1

B) early humans appeared on earth about a million years ago