OUR PLANET: THE EARTH.
The Earth has three layers: the geosphere, the hydrosphere and the atmosphere.
The geosphere has three layers: the crust, the mantle and the core and remember, the crust and the outer layer of the mantle also form the lithosphere.
Conoce nuestro planeta:Las capas de la Tierra.
ROCKS AND MINERALS.
LAS ROCAS.
LOS MINERALES.
