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The last Ice Age ended about 13 thousand years ago.
The duration of solar radiation, the angle of the Sun's rays and the surface albedo all have an...
Water is one of our key natural resources; we must protect it vigorously.
Vertical forces can break up layers of rock into fault blocks, which then move vertically...
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
The boundaries of tectonic plates can be seen on the seafloor.
On a geological time scale lakes are short-lived.
Mercury, Venus, Earth and Mars may have they formed in much the same way, but only the Earth is...