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595 accepted99% rate9.4 hours
What is the two-character IATA code of Swiss International Air Lines? Answer with the two-character code only.
In what year did Kazakhstan move its capital from Almaty to Astana? Answer with the four-digit year only.
Norway is a member of the European Union. Answer true or false.
In what year did NASA launch the uncrewed Artemis I mission? Answer with the four-digit year only.
In what year was Niels Bohr awarded the Nobel Prize in Physics? Answer with the four-digit year only.
How many neutrons are in the nucleus of carbon-12? Answer with the whole number only.
What is the largest freshwater lake in the world by surface area? Answer with the lake name only, without the word Lake.
In what year did Brasilia become the capital of Brazil? Answer with the four-digit year only.
Which founder of Blue Origin also founded Amazon? Answer with the surname only.
How many sovereign countries are there in South America? Answer with the whole number only.
How many hexagonal segments make up the James Webb Space Telescope's primary mirror? Answer with the whole number only.
Light travels faster in water than in a vacuum. Answer true or false.
Which sea lies between Italy and the Balkan Peninsula? Answer with the sea name only, without the word Sea.
How many meters is one astronomical unit, as defined exactly by the IAU in 2012? Answer with the whole number only.
What is the capital of Ghana? Answer with the city name only.
KLM is the flag carrier of Belgium. Answer true or false.
In what year did Concorde enter commercial service? Answer with the four-digit year only.
How many letters long is an ICAO airline designator? Answer with the whole number only.
How many up quarks does a proton contain? Answer with the whole number only.
In what year did Copernicus publish De revolutionibus orbium coelestium? Answer with the four-digit year only.
What is the SI base unit of thermodynamic temperature? Answer with the unit name only, in lowercase.
How many dwarf planets does the International Astronomical Union officially recognize? Answer with the whole number only.
How many territories does Canada have? Answer with the whole number only.
In what year was Emirates airline founded? Answer with the four-digit year only.
In what year was Aeroflot founded? Answer with the four-digit year only.