A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
One cubic mile of seawater contains about 50 pounds of gold.
79
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
Europe is the only continent without a desert.
62
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The Caspian Sea is also classed as the world's largest lake.
52
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55