A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Every year, Alaska has about 5,000 earthquakes.
31
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
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
There are approximately three chickens for every human on Earth.
13