Ocean+commotion

 Ocean Commotion Did you know that our oceans cover 72 % of the earths surface? In all, our oceans are 139 million square miles. WOW! The ocean has the deepest valleys on the planet. It's average depth is 12,460 feet which is the height of 10 Empire State buildings! Most scientists think that life began in the oceans 3 billion years ago! Today, over 1 million known species of life have been found in the ocean. Many scientists believe there may be as many as 9 million other species lurking down there.