Whos First? Copyright © Houghton Mifflin Harcourt Publishing Company What is relative dating? Scientists try to find out the order in which events happened.
Unit 2 Lesson 2 Relative Dating Copyright © Houghton Mifflin Harcourt Publishing Company.
Paleontology review
Geologic history academic
09 25-2013-paleontology review
Unit 7 Lesson 2 Relative Dating Copyright © Houghton Mifflin Harcourt Publishing Company.
