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The Andes were formed by the collision of two tectonic plates, one oceanic and one continental.
Carbon is bound in organic substances during photosynthesis, while during breathing, it...
A video on the Amazon river and its drainage basin.
A glacier is a large body of ice in constant, slow motion down a hillside.
The Great Rift Valley in East Africa was formed as a result of the movement of tectonic plates.
The deepest lake in Earth was formed in a rift valley created by the Baikal Rift Zone.
People have always preferred to settle near rivers. What are the advantages and disadvantages of...
The rise and drop of sea levels caused by the gravitational force of the Moon.