Which of the layers of the Earth has the following three characteristics?
i. It is made of molten rock.
ii. It has currents that are constantly moving.
ii. Earth's plates float on top of its currents.
A. the mantle
B. the inner core
C. the outer core
D. the crust
The mantle, the thickest layer, is a liquid layer made of molten rock. It flows in currents. Finally, the crust is a very thin, solid layer at the Earth's surface.
