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Human activity increases the greenhouse effect and leads to global warming.
Water is one of our key natural resources; we must protect it vigorously.
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.
Az Andok két kőzetlemez – egy óceáni és egy szárazföldi – ütközésénél jött létre.
Did you know that about 75% of the land on our planet is covered with sedimentary rock?
A periodic climate pattern that occurs across the tropical Pacific Ocean every five years.
A glacier is a large body of ice in constant, slow motion down a hillside.