Which is the rarest blood type in the world?

Which physicist proposed the wave theory of light?

Which element is the most abundant in Earth's crust?

Who was the first person to win two Nobel Prizes in different scientific fields?

Which country has won the most FIFA World Cup titles?

What is the speed of light in a vacuum?

Which civilization built the ancient city of Machu Picchu?

Who wrote The Republic, a philosophical work on justice and governance?

What is the heaviest naturally occurring element?

Which country is known as the "Land of the Thunder Dragon"?

Who developed the first successful polio vaccine?

Which is the deepest point in the Earth's oceans?

What is the only letter that does not appear in any U.S. state name?

Which mathematician is credited with developing calculus independently from Newton?

What is the name of the first artificial satellite launched into space?

Which is the largest island in the world that is not a continent?

Who discovered the electron?

Which U.S. president served the shortest time in office?

Which is the only planet in the Solar System that rotates clockwise?

What is the rarest naturally occurring element on Earth?

Who was the first person to reach the South Pole?

Which ancient city was buried under volcanic ash after the eruption of Mount Vesuvius in 79 AD?

Which element has the highest melting point?

Which country has the most time zones (including overseas territories)?

Which was the first country to grant women the right to vote?

Which spacecraft was the first to successfully land on Mars?

Which is the only bird known to have nostrils at the tip of its beak?

Which mathematical theorem states that no three positive integers a, b, and c can satisfy the equation aⁿ + bⁿ = cⁿ for any integer value of n greater than 2?

What is the name of the first cloned mammal?

Which ancient civilization is credited with developing the first known writing system, cuneiform?

Who was the first emperor of China?

Which country has the longest coastline in the world?

Which disease is caused by a deficiency of Vitamin C?

Who was the first person to circumnavigate the globe?

Which country is home to the most active volcanoes in the world?

What is the most abundant gas in the universe?

What is the SI unit of luminous intensity?

Who was the first female Prime Minister in the world?

What was the first synthetic element to be discovered?