The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
There are approximately three chickens for every human on Earth.
13
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
It's still possible to see the division between East and West Germany due to different light bulbs.
5
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