The state with the longest coastline in the Continental U.S. is Michigan.
31
There are more than 50,000 earthquakes throughout the world every year!
47
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
One cubic mile of seawater contains about 50 pounds of gold.
79
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
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
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 Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62