In 1850, only 8% of the people in California were women.
0
The average ice berg weighs 20,000,000 tons!
54
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Even Antarctica has an area code. It's 672.
58
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
One cubic mile of seawater contains about 50 pounds of gold.
79