If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Check your map! Virginia extends farther west than West Virginia.
67