Who was the 2nd President of the United States?
What are the four main blood groups?
How many countries border Germany?
Where did Moses receive the Ten Commandments?
What date is Earth Day celebrated annually?
Who composed Moonlight Sonata?
What is the highest number on the pH scale?
Which Royal Navy vessel was commanded by Captain James Cook on his first voyage of discovery to Australia and New Zealand?
To the nearest minute, how long does it take sunlight to travel to Earth?
What does the Statue of Liberty carry in her right hand?