In 1850, only 8% of the people in California were women.
0
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The average ice berg weighs 20,000,000 tons!
54
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
