May 2013 Page ii. EXECUTIVE SUMMARY. Dentistry in the United States is in a period of transformation. The population is aging and. becoming more diverse. The health care delivery system is changing rapidly with the. implementation of the Affordable Care Act. Consumer habits are shifting with Americans.
To get places faster if there legs are tired Penguins slide on their bellies because they have short, thick and dense feet. That makes it hard to walk. According to the inform â¦ ation I have read about, penguins love sliding on their bellies because it's easier to them.
At sea, emperor penguins glide through the water with great speed and agility. Their aerodynamic bodies and strong flippers make them excellent swimmers, reaching speeds of 3.4 m/s (7.6 mph). They can dive deeper than any other bird â as deep as 565 m (1850 ft.) â and they can stay under for more than 20 minutes.