When masses of cold and warm air meet, weather fronts develop.
Human activity increases the greenhouse effect and leads to global warming.
We can come across the remains of the Variscan and Caledonian mountain systems almost anywhere...
Plate tectonics is a theory dealing with the movement of plates.
Sea and land breeze form because of the differing warming of land and sea.
The most important types of local winds are the sea-land breeze, the mountain-valley breeze as...
This video presents the different stages of coal formation.
A lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.