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Earth Layers
| Question | Answer |
|---|---|
| How many physical layers of the Earth are there? | 5 |
| What is the inner core composed of? | Very dense iron and nickel |
| What layer of the Earth is the thickest and how thick is it? | The mantle which is about 1800 miles thick. |
| Which is the thinnest layer? | Oceanic Plate |
| The mantle flow with the consistency of ___. | Asphalt |
| The upper mantle is rigid and brittle but the lower mantle is ___. | Malleable |
| Is the mantle a solid or liquid? | Solid |
| Which is more dense; the Continental Crust or Oceanic Crust? | Oceanic Crust |
| How many mechanical layers of the Earth are there? | 3 |
| What takes place in the Lithosphere? | The movement of Tectonic Plates |
| What layer separate the Upper Mantle from the Lower Mantle? | The Asthenosphere |
| What property is the Mesosphere made of? | Liquid |
| Convection currents flow through the ___ Layer. | Mesosphere |
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