The average ice berg weighs 20,000,000 tons!
54
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Australia's Great Barrier Reef is 1,250 miles long!
45
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
There are approximately three chickens for every human on Earth.
13