The average ice berg weighs 20,000,000 tons!
54
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The water of the Antarctica is so cold that nothing can rot there.
334