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Tropical rainforests play an important role in regulating the Earth climate.
We can come across the remains of the Variscan and Caledonian mountain systems almost anywhere...
The atmosphere surrounds us everywhere on this planet. We take its presence so much for granted...
Tsunami waves are very high waves of immense destructive power.
The largest rivers on Earth are found in the tropical zone.
Due to the effect of both exogenic and endogenic forces, rocks constantly change. This is called...
The boundary of the permanently frozen region is retracting due to global warming.
This lesson presents deserts and their flora and fauna.