Australia's Great Barrier Reef is 1,250 miles long!
45
The water of the Antarctica is so cold that nothing can rot there.
334
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The average ice berg weighs 20,000,000 tons!
54
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Forest fires move faster uphill than downhill.
52
The state of Florida is bigger than England!
74