Question 2: The 3 main layers of Earth in order from outermost (top) to innermost (bottom) are:
- Crust
- Mantle
- Core
Question 3: All the layers of Earth in order from outermost (top) to innermost (bottom) are:
- Crust
- Lithosphere (mantle)
- Asthenosphere (mantle)
- Mesosphere (mantle)
- Outer core
- Inner core