D. Losing some of its fertility because of overgrazing
The Aral Sea is bordered by two Central Asian countries.
Explanation:
The Aral Sea is located in Central Asia. It is in the territory of two countries, roughly divided in half, with the northern half being in Kazakhstan, and the southern half being in Uzbekistan. Despite the name, it is not actually a sea, but instead it is a lake, which is remnant of a former ocean that existed tens of millions of years ago. It has been called sea because of its saline water.
The Aral Sea though is on the verge of drying out. The main reason for this has been that the local population is using extensively the waters of Amu Darya and Sir Darya, which are the two rivers that supply the lake with water. Having its water income significantly reduced, and being in a very dry area, the evaporation surpasses the flow of water coming into the lake, so it has gradually been drying out.
Other lakes in the region are:
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Ecological tipping points are the<span> points where environmental problems reach threshold level causing irreversible shifts in the behavior of natural systems. These are also called thresholds where the biodiversity changes.</span>
Savanna grassland conguers most regions in Sub-saharan africa. The grassland Biome is found in the central part of the country, inland areas, and Kwazulu natal and its topography is mainly lowland and flat.
