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This is the most dense layer of Earth.
inner core
This is the hottest layer of Earth.
inner core
This is the coolest layer of Earth.
the crust
This is the thinnest layer of Earth.
the crust
This is the thickest layer of Earth.
the mantle
This layer of Earth contains living organisms.
the crust
This layer of Earth is composed of flowing rock.
the mantle
This layer of Earth is divided into tectonic plates.
the lithosphere
Tectonic plates float on this layer of Earth.
the asthenosphere
This layer of Earth is made of solid iron and nickel.
inner core
This layer of Earth is composed of liquid iron and nickel.
the outer core
This layer of Earth floats on top of the asthenosphere.
the lithosphere
What are the 2 types of crust?
continental and oceanic
This layer of Earth is part of the upper mantle.
the asthenosphere
This layer of Earth is solid, rigid, and rocky.
the crust
Why is Earth's inner core solid?
extreme pressure
