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What chariteristics of Venuss atmosphere make the planet so harsh?
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What does the upper mantle and lower mantle form?
The upper mantle and lower mantle together form the Earth's mantle, which is the layer of rock between the Earth's crust and core. This region plays a critical role in plate tectonics and the movement of Earth's lithosphere.
Why is the lower mantle denser the the upper mantle?
The lower mantle is under greater pressure than the upper mantle, compressing the rock into a denser form.
The top part of the mantle and the crust above it form the hydrosphere or lithosphere?
The top part of the mantle and the crust above it form into lithosphere.
What does the mantle secrete?
The mantle of a mollusk secretes calcium carbonate to form the shell.
Does every volcano form in the mantle?
No, the Earth's mantle is to deep and warm for this. Magmas are generated in the upper mantle by a process called partial melting and the melt collects in the crust (in magma chambers at varying depth).
What causes the pressure to allow diamonds to form in the mantle?
The weight of the rocks in the crust and upper mantle.
Is the mantle below or beside the crust?
The Earth's mantle is below the crust. The layers of the Earth form concentric spheres. Below the mantle is the core.
Why can diamonds form the mantle?
The weight of the rocks above the mantle results in high pressure.Diamonds need high temperatures and pressure to form from carbon. Diamonds form in the mantle in certain zones where conditions are right for them to do so.There just happens to be the right critical temperature-pressure-mineral environment in the mantle in certain zones for their formation.
What does ocean crust and mantle form after subduction?
u form yo mama
Where is the crust and brittle upper mantle form?
The Lithosphere
Is the mantle on earth solid or liquid?
the earth's mantle is in ligiud form because it varys from 1600 to 4000 degrees farinhite .
