A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Even Antarctica has an area code. It's 672.
58
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Australia's Great Barrier Reef is 1,250 miles long!
45
One cubic mile of seawater contains about 50 pounds of gold.
79
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119