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Slide 1How Old is the Earth? 1654: Archbishop James Ussher of Ireland studied the timing of biblical events described in the Old Testament, and concluded that the the world…

Slide 1Chapter 17 : The History of Life Slide 2 17-1 The Fossil Record What is a fossil? Paleontologist: scientist who studies fossils Fossil record: provides info about…

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PowerPoint Presentation Global warmingâ¦. Contents covered Introduction History Causes Effects Global warming and climate change Graph Facts Why is global warming a concern…

ACIDS AND BASES Humans have been familiar with acids and bases for thousands of years. They didnât know the exact chemistry but they knew a lot about them. The word acid comes…

Slide 1 Ms. Luaces Evolution Slide 2 Quick Review: Theory vs. Law Theory: A well-tested explanation to make accurate predictions They can be changed! Law: A generalized way…

Slide 1 Global Warming Will Human-Induced Climate Change Destroy the World? By Rich Deem www.GodAndScience.org Note: This slideshow is NOT meant to be printed. View in slideshow…

Slide 1 Chapter 8 Astronomy LESSON 2 THE EARTH-SUN-MOON SYSTEM Slide 2 OBJECTIVES Investigate how the interaction of Earth, the Moon, and the Sun causes lunar phases. Describe…