Name:______________________________________
Questions and Answers
1: What are the three main stages in the formation of Earth?
2: What is the process of differentiation?
3: How did water come to be on Earth?
4: What gases were present in Earth's early atmosphere?
5: How has Earth's atmosphere changed over billions of years?
6: What is the significance of the crust's recycling?
7: How long do scientists predict it will take for significant changes in Earth's structure?
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