The Atacama Desert is the highest-elevation and dryest desert on Earth.
Due to its location, the Kalahari basin has a unique climate, flora and fauna.
Sahara sand carries nutrients essential for the Amazonian flora.
The boundary of the permanently frozen region is retracting due to global warming.
The flora and fauna of the savannahs adapt to the climate.
The Great Rift Valley in East Africa was formed as a result of the movement of tectonic plates.
Migrating nomadic shepherds are still living around the Great Rift Valley in East Africa.
Fold the paper here and there, chip one or two with the scissors. This is all you need to create something fantastic that looks like a snowflake.
This animation demonstrates the different nets of a cuboid and includes a game.
A cuboid is a polyhedron with six rectangular faces.
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