If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
In 1850, only 8% of the people in California were women.
0
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The state of Florida is bigger than England!
74
The state with the longest coastline in the Continental U.S. is Michigan.
31
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Australia's Great Barrier Reef is 1,250 miles long!
45
Every year, Alaska has about 5,000 earthquakes.
31