In fact, a study published in the March 2006 issue of Medicine & Science in Sports & Exercise found that more than half of about 2,000 girls surveyed, all between the ages of 16 and 18, were classified as sedentary. There are various physical benefits associated with being physically active during the teenage years.
Officially called the Commonwealth of the Northern Mariana Islands, the Northern Mariana Islands (also called the Northern Marianas) are composed of 22 islands and islets in the western Pacific Ocean.
The Mariana Trench is a crescent-shaped trench in the Western Pacific, just east of the Mariana Islands near Guam. The region surrounding the trench is noteworthy for many unique environments. The Mariana Trench contains the deepest known points on Earth, vents bubbling up liquid sulfur and carbon dioxide, active mud volcanoes and marine life adapted to pressures 1,000 times that at sea level.