A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The water of the Antarctica is so cold that nothing can rot there.
334
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
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
One cubic mile of seawater contains about 50 pounds of gold.
79
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14