South Aral Sea Syr Darya, would be diverted in order to irrigate cotton and food crops in Kazakhstan and Uzbekistan. In 1986, due to an accelerated loss of water, the Aral Sea was split into northern and southern parts; the northern part is the current North Aral Sea. In 2007, the western basin had a salinity of 70 g/l and the eastern basin 100 g/l. Once the water level falls below the connecting channel (elevation 29 m), the salinities can be expected to diverge further. Under current conditions, the eastern basin may receive water from the Amu Darya in wet years, fluctuating in
Singapore-Cambridge GCE Normal Level "(abbreviated as N(A))" and Normal (Technical) "(abbreviated as N(T))" streams respectively. The GCE N(A)Level-Normal Academic Level, is taken by Normal Academic students after four years of secondary school education. This may lead to a possibility of moving on to the Secondary 5N(A)stream to take their 'O'-Levels. Alternatively, they may take the O-Levels without taking the N(A)-Level.In the Normal (Academic) course, students offer 6-8 subjects in the GCE ‘N’ Level examination. They have, as compulsory subjects, English Language, Mother Tongue and Mathematics. For upper secondary, Combined Humanities and a Science subject are also compulsory. The aggregate used for this stream is