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Mind Map: Interior of the Earth | Geography Class 11 - Humanities/Arts

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FAQs on Mind Map: Interior of the Earth - Geography Class 11 - Humanities/Arts

1. What are the layers of the Earth's interior?
Ans. The Earth's interior is made up of three main layers: the crust, the mantle, and the core. The crust is the outermost layer, followed by the mantle, and then the core.
2. How thick is the Earth's crust?
Ans. The Earth's crust varies in thickness, ranging from about 5 to 70 kilometers. The oceanic crust is thinner, while the continental crust is thicker.
3. What is the composition of the Earth's mantle?
Ans. The Earth's mantle is primarily composed of solid rock, mainly silicate minerals such as olivine and pyroxene. It is the largest layer of the Earth's interior and is located between the crust and the core.
4. What are the two types of Earth's core?
Ans. The Earth's core is divided into two parts: the outer core and the inner core. The outer core is made up of molten iron and nickel, while the inner core is solid due to the immense pressure.
5. How does the Earth's interior contribute to plate tectonics?
Ans. The Earth's interior plays a crucial role in plate tectonics. The movement of the Earth's tectonic plates is driven by convection currents in the mantle. Heat from the core causes the mantle to circulate, leading to the movement of the plates and various geological activities such as earthquakes and volcanic eruptions.
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