In 1850, only 8% of the people in California were women.
0
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Even Antarctica has an area code. It's 672.
58