10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The average ice berg weighs 20,000,000 tons!
54
The Caspian Sea is also classed as the world's largest lake.
52
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
One cubic mile of seawater contains about 50 pounds of gold.
79
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
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The state with the longest coastline in the Continental U.S. is Michigan.
31