or log in
It is a sedimentary rock made up of loosely structured, rough grains of rock.
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Seawater, as an external force, plays an important role in shaping coastlines.
Cyclones are large areas of swirling air with clouds and precipitation being formed inside.
Is the tundra region as cold and deserted as many people think?
The Andes were formed by the collision of two tectonic plates, one oceanic and one continental.
Physical properties, as well as the flora and fauna of the ocean change with depth.
Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.