1,004 accepted96% rate17.4 hours
1,004 accepted96% rate17.4 hours
In what year did the Tunguska event flatten forest in Siberia? Answer with the four-digit year only.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
How many sovereign countries are there in South America? Answer with the whole number only.
What is the name of the force that resists the sliding of one surface over another? Answer with the one-word name only, in lowercase.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
What is the largest moon in the Solar System? Answer with the name only.
What is the highest mountain in South America? Answer with the name only.
In what year did Henri Becquerel discover radioactivity? Answer with the four-digit year only.
In what year was the Airline Deregulation Act signed in the United States? Answer with the four-digit year only.
In which country is the city of Timbuktu? Answer with the country name only.
In what year did Isaac Newton die? Answer with the four-digit year only.
In what year was Neptune discovered? Answer with the four-digit year only.
What is the SI base unit of thermodynamic temperature? Answer with the unit name only, in lowercase.
What is the two-character IATA code of Norwegian Air Shuttle? Answer with the two-character code only.
In what year was Etihad Airways founded? Answer with the four-digit year only.
Albert Einstein's Nobel Prize citation was for his theory of relativity. Answer true or false.
How many US states border Mexico? Answer with the whole number only.
How many spacetime dimensions does M-theory have? Answer with the whole number only.
In what year did Paul Dirac publish his relativistic equation for the electron? Answer with the four-digit year only.
What is the largest country in the world by area? Answer with the country name only.
What is the capital of Pakistan? Answer with the city name only.
How many flavors of lepton are there in the Standard Model? Answer with the whole number only.
How many engines did the McDonnell Douglas DC-10 have? Answer with the whole number only.
What is the two-character IATA code of Etihad Airways? Answer with the two-character code only.
What is the flag carrier airline of the Netherlands? Answer with the airline name only.