Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
Every year, Alaska has about 5,000 earthquakes.
31
One cubic mile of seawater contains about 50 pounds of gold.
79
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41