Grade 3 | Lesson 8 Planetary Geology

Outline 1. What are the layers of the Earth? 2. What is the crust? 3. What is the mantle? 4. What is the core? 5. What are the four spheres of life on our planet? 6. What is the geosphere? 7. What is the hydrosphere? 8. What is the atmosphere? 9. What is the biosphere? Script What are the layers of the Earth? ................
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