or log in
Stratovolcanoes consist of layers of volcanic ash, debris and lava.
Rivers play an important role in shaping the Earth's surface: they cause erosion as well...
Soil is the loose, uppermost, fertile layer of the Earth’s crust.
Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
It is a sedimentary rock with high calcium carbonate content.
It is characterised by dry, hot summers and mild winters.
Physical properties, as well as the flora and fauna of the ocean change with depth.
The phosphorus cycle describes the movement of phosphorus through the lithosphere,...