Slide 1 Slide 2 IQ The original atmospheres of Mars and Earth were very similar. T F Slide 3 IQ T. It is true! Both started with a CO 2 -rich atmosphere. Water and temperature…
Slide 1 Chapter 1 Objectives This is the introductory chapter. After reading this chapter you should be able to: 1. Identify the four spheres of Earth 2. Describe the composition…