xOrographic lift : Occurs when an air mass is forced to rise over geographic relief from a lower elevation. As the air mass rises it expands and cools adiabatically, which can raise the relative humidity to 100%, create clouds and precipitation.
Scientists in South Africa have discovered two fossil skeletons that are about two million years old. These skeletons are of a young male and adult female of a species that had never been found before....Read more