: Stretching from 660 km down to the core-mantle boundary, this region is under such immense pressure that the rock remains solid despite temperatures exceeding 3,000°C. Why It Matters
: Heat from the core creates convection currents in the mantle. These currents act like a conveyor belt, moving tectonic plates, creating mountains, and causing earthquakes. Earth’s mantle is
: Extending from the crust to about 410 km deep, it includes the lithosphere (the rigid top layer) and the asthenosphere , a semi-fluid zone that allows tectonic plates to slide. : Stretching from 660 km down to the