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We live on the Earth's crust. The crust floats on the mantle, which is semi-molten rock. The crust can be likened to the pastry crust on top of a very hot meat pie.
The mantle is the softest layer of the Earth.
convection currents bringing heat to every part of the mantle
an oven. a massive oven
it is a solid.
No. The mantle is solid.
solid
the lower mantle of earth is a solid
Yes, the mantle is techincally a solid. If you want to get techincal, however, it is a viscoelastic material, meaning that over short invertvals it behaves as an elastic solid, but over the course of tens of thousands to millions of years it flows like a viscous liquid.
The mantle layer of the Earth is said to be "solid-plastic". This means that it is a solid, but it can be moved.
the mantle
Both. The upper mantle is solid and the lower mantle is liquid.
Yes the upper mantle is solid. The lower mantle however is not.