What is the only food that never spoils?
How many hearts does an octopus have?
Which planet in our solar system has the most moons?
Which country has no rivers?
In which country are there more sheep than people?
What is the largest organ in the human body?
What is the rarest blood type?
What is the tallest breed of dog in the world?
What is the only bird that can fly backwards?
What is the longest river in the world?