Article: In the former Soviet Union, electric traction eventually became somewhat more energy-efficient than diesel. Partly due to inefficient generation of electricity in the USSR (only 20.8% thermal efficiency in 1950 vs. 36.2% in 1975), in 1950 diesel traction was about twice as energy efficient as electric traction (in terms of net tonne-km of freight per kg of fuel). But as efficiency of electricity generation (and thus of electric traction) improved, by about 1965 electric railways became more efficient than diesel. After the mid 1970s electrics used about 25% less fuel per ton-km. However diesels were mainly used on single track lines with a fair amount of traffic so that the lower fuel consumption of electrics may be in part due to better operating conditions on electrified lines (such as double tracking) rather than inherent energy efficiency. Nevertheless, the cost of diesel fuel was about 1.5 times more (per unit of heat energy content) than that of the fuel used in electric power plants (that generated electricity), thus making electric railways even more energy-cost effective.

Question: How much fuel did electric train used less than diesel in the middle of 1970 in USSR?
Ans: 25% less fuel per ton-km

Article: The Metropole du Grand Paris, or Metropolis of Greater Paris, formally came into existence on January 1, 2016. It is an administrative structure for cooperation between the City of Paris and its nearest suburbs. It includes the City of Paris, plus the communes, or towns of the three departments of the inner suburbs; Hauts-de-Seine, Seine-Saint-Denis and Val-de-Marne; plus seven communes in the outer suburbs, including Argenteuil in Val d'Oise and Paray-Vieille-Poste in Essonne, which were added to include the major airports of Paris. The Metropole covers 814 square kilometers and has a population of 6.945 million persons.

Question: What three departments of the inner suburbs are included in the metropole?
Ans: Hauts-de-Seine, Seine-Saint-Denis and Val-de-Marne

Article: In many cases of diarrhea, replacing lost fluid and salts is the only treatment needed. This is usually by mouth oral rehydration therapy or, in severe cases, intravenously. Diet restrictions such as the BRAT diet are no longer recommended. Research does not support the limiting of milk to children as doing so has no effect on duration of diarrhea. To the contrary, WHO recommends that children with diarrhea continue to eat as sufficient nutrients are usually still absorbed to support continued growth and weight gain, and that continuing to eat also speeds up recovery of normal intestinal functioning. CDC recommends that children and adults with cholera also continue to eat.

Question: How is this treatment given?
Ans: This is usually by mouth oral rehydration therapy or, in severe cases, intravenously

Article: In April, during the Revolution of 1848 in Paris, he left for London, where he performed at several concerts and at numerous receptions in great houses. This tour was suggested to him by his Scottish pupil Jane Stirling and her elder sister. Stirling also made all the logistical arrangements and provided much of the necessary funding.

Question: What was Jane Stirling's national heritage?
Ans:
Scottish