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The North Caspian depression is part of the continental or semi-arid desert biome. The area receives 300 mm (12 in) of rain per year, on average, and less than 10% of the region is irrigated. The Caspian Depression is below sea level, consisting of large areas of marshlands in the eastern region.
The Caspian lowland desert ecoregion (WWF ID: PA1308) covers the north and southeast coasts of the Caspian Sea, including the deltas of the Volga River and Ural River in the northern region. While the region gets relatively low amounts of precipitation (less than 200 mm/year), wildlife is supported by the river estuaries and the sea itself.
The spacetime of the universe is, unlike the diagrams, four-dimensional. The flatness problem (also known as the oldness problem) is a cosmological fine-tuning problem within the Big Bang model of the universe. Such problems arise from the observation that some of the initial conditions of the universe appear to be fine-tuned to very 'special ...
A world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the Earth. While this is true of any map, these distortions reach extremes in a world map.
An outcrop of the sheeted dyke complex of the Troodos ophiolite. The Troodos Ophiolite crops out in the central part of Cyprus in a northwest to southeast striking band. The lithospheric mantle crops out in the Troodos Mountains and in the Limassol Forest, Akapnou Forest, on the Akamas Peninsula and near Troullo.
The Caspian Basin is a system of basins and platforms. It is divided into smaller basins, in the North, the North Caspian Basin. The north is a basin at the edge of the cratons to the north. It is composed of Paleozoic carbonate platforms. [12] The North Basin overlies a basement of European Craton. [13]
While most of the Christians of the same period maintained that the Earth was a sphere, [1] the work advances the idea that the world is flat, and that the heavens form the shape of a box with a curved lid, and especially attacks the idea that the heavens were spherical and in motion, now known as the geocentric model of the universe.
The Friedmann–Lemaître–Robertson–Walker (FLRW) model using Friedmann equations is commonly used to model the universe. The FLRW model provides a curvature of the universe based on the mathematics of fluid dynamics, that is, modeling the matter within the universe as a perfect fluid. Although stars and structures of mass can be introduced ...