most likey
The lower mantle is older and cooler than the upper mantle. Thank you for reading this I'm comment if you like one direction(: hehe
Working outwards from the centre: The Earth is believed to be formed of an inner core, outer core, inner mantle, outer mantle, and the crust. The mantle is two thousand miles thick and makes up more than three-quarters of the Earth's volume.
upper mantle and the lower mantle
The upper mantle and the lower mantle.
The upper mantle (asthenosphere) and the lower mantle
lower mantle from upper core
The upper mantle is harder than the lower mantle
upper mantle
The upper mantle and the lower mantle.
The lower mantle is older and cooler than the upper mantle. Thank you for reading this I'm comment if you like one direction(: hehe
Working outwards from the centre: The Earth is believed to be formed of an inner core, outer core, inner mantle, outer mantle, and the crust. The mantle is two thousand miles thick and makes up more than three-quarters of the Earth's volume.
under the upper mantle
The lower mantle is under greater pressure than the upper mantle, compressing the rock into a denser form.
upper mantle and the lower mantle
The upper mantle and the lower mantle.
the upper-mantle rocks are heavier while the lower mantle rocks are semisolid like melted plastic
The upper mantle