or log in
Tectonic plates can move in relation to each other.
The last Ice Age ended about 13 thousand years ago.
Rocks are a composed of minerals. These minerals can often be found in their pure forms.
This animation demonstrates the types of soil found in Hungary.
The oxygen cycle describes the movement of oxygen within its three main reservoirs.
The duration of solar radiation, the angle of the Sun's rays and the surface albedo...
Still waters take various forms on the planet. Let’s take a look at how we can group them.
The difference between the temperature of the polar and equatorial zones causes...