The Amazon rainforest produces more than 20% the world's oxygen supply.
182
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
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
In 1850, only 8% of the people in California were women.
0
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17