Which came first: the telephone or the airplane?
The telephone.
What is the hardest natural substance on Earth?
Diamond.
Which animal has the longest pregnancy of any land mammal?
Which came first: the Internet or the first man on the Moon?
Which planet has the shortest day in our solar system?
Jupiter.
Which came first: Shakespeare's Hamlet or the first English dictionary?
Hamlet.
Which civilization built Machu Picchu?
The Inca.
Which came first: the printing press or Christopher Columbus's voyage to America?
What is the name of the process by which plants convert light energy into chemical energy?
Photosynthesis.
Which came first: the Eiffel Tower or the Statue of Liberty?
The Statue of Liberty.
What is the largest internal organ in the human body?
The liver.