IMD #1807working
233 accepted99% of judged
In what year was Amazon founded?
How many protons does a helium nucleus have?
How many protons does a helium nucleus have?
What is the atomic number of gold?
What is the atomic number of gold?
What is the atomic number of gold?
What is the atomic number of gold?
In what year did the Great Fire of London occur?
In what year did the Great Fire of London occur?
In what year did the Great Fire of London occur?
In what year did the Great Fire of London occur?
In what year was Microsoft founded?
What is the speed of light in vacuum, in meters per second, as defined exactly by the SI?
What is the speed of light in vacuum, in meters per second, as defined exactly by the SI?
What is the speed of light in vacuum, in meters per second, as defined exactly by the SI?
What is the speed of light in vacuum, in meters per second, as defined exactly by the SI?
In what year did the United States declare independence?
In what year did the United States declare independence?
In what year did the United States declare independence?
