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The circumference of the Earth has already been calculated in ancient Egypt. The calculations...
Still waters take various forms on the planet. Let’s take a look at how we can group them.
Seawater, as an external force, plays an important role in shaping coastlines.
It is characterised by dry, hot summers and mild winters.
The Sun's rays travel through space without interruption, but once they reach the Earth's...
The phosphorus cycle describes the movement of phosphorus through the lithosphere,...
Stratovolcanoes consist of layers of volcanic ash, debris and lava.
Ázsia és Ausztrália állatvilága a Wallace-vonal mentén különül egy egymástól.