Coal formation

This video presents the different stages of coal formation.

Related extras

Atmospheric circulation

The difference between the temperature of the polar and equatorial zones causes...

Sedimentary rock

Did you know that about 75% of the land on our planet is covered with sedimentary rock?

El Niño

A periodic climate pattern that occurs across the tropical Pacific Ocean every five years.

The World of the seas

Seas and oceans cover almost three-quarters of the Earth’s surface. 97.5% of the total...

Rivers and landforms

Rivers play an important role in shaping the Earth's surface: they cause erosion as well...

The development of lakes

Standing bodies of water can form in depressions on the surface by both endogenic and...

Karstification

The dissolution of limestone results in the development of karst formations.

The Wallace line

Ázsia és Ausztrália állatvilága a Wallace-vonal mentén különül egy egymástól.

Added to your cart.