The average ice berg weighs 20,000,000 tons!
54
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
There are more than 50,000 earthquakes throughout the world every year!
47
One cubic mile of seawater contains about 50 pounds of gold.
79
Europe is the only continent without a desert.
62
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Australia's Great Barrier Reef is 1,250 miles long!
45
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109