Who created the Linux kernel?
Which country won the FIFA World Cup in 2018?
In what year was Instagram launched?
How many millimetres are in a metre?
How many sides does a hexagon have?
How many degrees are in a right angle?
Which video-sharing site did Google buy in 2006?
How many minutes are in a day?
How many chromosomes are in a typical human body cell?
Which social network was founded by Mark Zuckerberg in 2004?
Which gas do plants absorb from the air for photosynthesis?
Which chemical element has the symbol Fe?
Who founded Microsoft with Paul Allen?
What is the square root of 144?
What is the speed of light in a vacuum, in kilometres per second, rounded to the nearest thousand?
Which organ pumps blood through the human body?
What is the atomic number of carbon?
How many days are in a leap year?
Which chemical element has the symbol Ag?
Which chemical element has the symbol Cu?
Which planet in the Solar System is the largest?
What is the capital city of Canada?
The phrase 'the cake is a lie' originates from which video game?
