This is one of the things that make you say.....Huh....I didn't
know that!! What do you know? The Eisenhower interstate system
requires that one-mile in every five must be straight. These
straight sections are usable as airstrips in times of war or
other emergencies More than half of the coastline of the entire
United States is in Alaska. The Amazon rain forest produces more
than 20 percent of the world's oxygen supply. The Amazon River
pushes so much water into the Atlantic Ocean that more than one
hundred miles at sea, off the mouth of the river one can dip
fresh water out of the ocean. The volume of water in the Amazon
River is greater than the next eight largest rivers in the world
combined and three times the flow of all rivers in the United
States. Antarctica is the only land on our planet that is not
owned by any country. Ninety percent of the world's ice covers
Antarctica. This ice also represents seventy percent of all the
fresh water in the world. As strange as it sounds, however,
Antarctica is esse