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The lithosphere is the least viscous because it is brittle.

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15y ago

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What is the layer of earth is the least?

The Exosphere.


What is the layer of the earth that is mostly rock?

There is no layer of Earth that is predominantly molten rock. The only layer of Earth that is liquid is the outer core, however this is mainly iron and nickel. The mantle, the thickest layer of the Earth, contains rock that is "ductile" (i.e. very viscous and able to flow very slowly), but not technically "liquid."


Is the Mantle has most dense or least dense layer of the earth?

It is neither. The densest layer is the inner core. The least dense layer is the crust.


What do the plates of Earth's crust move on top of?

The layer of the Earth known as the asthenosphere, composed of highly viscous, plastic-like rock located in the upper mantle.


Which layer of your earth contains the least dense material?

The Earth's Crust.


What layer in the Earth is the least dense?

i think the crust


Is the inner core the least dense layer of the earth?

The core is the most dense layer


What layer of the Earth makes up the tectonic plates and what layer are the continents sliding on?

The continents of the Earth are sliding through the asthenosphere. This is the viscous part of the mantle on which the plates of the lithosphere sit.


What physical layer of earth is located beneath the lithosphere?

The physical layer of Earth located beneath the lithosphere is the asthenosphere. It is a semi-fluid layer of the upper mantle that allows for the movement of tectonic plates. This layer is composed of solid rock that behaves like a viscous fluid over geologic time scales.


Which layer of earth is least dense?

Earth's outermost layer, the crust, is the least dense layer. It is composed of lighter rocks such as granite and basalt. The crust floats on the denser layers beneath it, including the mantle and the core.


What is the middle layer of iron?

The middle layer of iron is known as the mantle. It is a highly viscous layer located between the iron core and the outer crust of the Earth. The mantle is composed of silicate rocks and is responsible for the movement of tectonic plates.


Is the atmosphere the densest layer of the earth?

No, the atmosphere is not the densest layer of the Earth. The densest layer is the inner core, which is a solid ball of iron and nickel at the center of the Earth. The atmosphere is a relatively thin layer of gases surrounding the Earth.