Slide 11 Earths History Slide 2 2 Planet Earth is approximately 4.5 X 10 9 years old –Rocks of the crust provide clues to Earths past By analyzing these clues we can infer…
Slide 1 Slide 2 Which of the following words describes change according to the principle of uniformitariansim? 1. Sudden 2. Rare 3. Global 4. Gradual Slide 3 Scientists who…