The Atlantic Ocean is saltier than the Pacific Ocean.
54
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
In 1850, only 8% of the people in California were women.
0
There are more than 50,000 earthquakes throughout the world every year!
47