Explain the internal structure of the earth
Answers
LAYERS OF THE EARTH
The structure of the Earth is divided into layers. These layers are both physically and chemically different. The Earth has an outer solid layer called the crust, a highly viscous layer called the mantle, a liquid layer that is the outer part of the core, called the outer core, and a solid center called the inner core.
INTERNAL STRUCTURE OF THE EARTH
The internal structure of Earth is layered in spherical shells: an outer silicate solid crust, a highly viscous asthenosphere and mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core.
Explanation:
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Answer:
The strata of the earth are stacked one inside the other in a series of concentric circles. The crust, mantle, and core are the three main layers that make up the interior of the planet.
Explanation:
Crust:
1. It is the layer that covers the top of the earth.
2. It is the thinnest layer of all.
3. It is barely 5 km thick on the oceans and around 35 km thick on the continents.
4. Silica and alumina minerals make up the majority of the continental mass. Since silica and magnesium make up the majority of oceanic crust, it is referred to as sial. Thus, it is referred to as sima.
Mantle:
1. The mantle is located directly below the crust.
2. It reaches a depth of 2900 kilometers below the crust.
3. It also contains magnesium and silica.
Core:
1. The core of the earth is its deepest stratum.
2. It's an approximate 3500 km radius.
3. It is known as nife because it mostly consists of nickel and iron.
4. It exists in a solid state because of the extremely high pressure and temperature.
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