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The boundaries of tectonic plates can be seen on the seafloor.
Atmospherical nitrogen is bound by bacteria and used by living organisms in the form of...
One third of the continents is covered with desert. Today, desertification is a growing problem.
Is the tundra region as cold and deserted as many people think?
Learn about animal species that emerged in the distant past and stayed mostly unchanged
Upon physical weathering the rock only falls into pieces, whereas during chemical weathering its...
You can become meteorologists through fun group tasks.
On a geological time scale lakes are short-lived.