10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The water of the Antarctica is so cold that nothing can rot there.
334
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
Mexico City is built on top of an underground resevoir!
47
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The Amazon rainforest produces more than 20% the world's oxygen supply.
182