Answers

Question and Answer:

  Home  Earth Science

⟩ When, in the geologic column, did dinosaurs become extinct

1. at the Cretaceous-Tertiary boundary

2. at the Jurassic-Cretaceous boundary

3. at the Triassic-Jurassic boundary

4. at the Permian-Triassic boundary

Answer: 1

 202 views

More Questions for you: