Every year, Alaska has about 5,000 earthquakes.
31
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Israel's Dead Sea is 1,312 feet below sea level.
48
In 1850, only 8% of the people in California were women.
0
Even Antarctica has an area code. It's 672.
58
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
One cubic mile of seawater contains about 50 pounds of gold.
79
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8