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.
Because of this, the outsiders have to move around to keep themselves warm as their hearts beat faster, and so that their heat can transfer to the inner ones as they're blocking the wind. And the penguins switch out periodically to give the outside ones a rest.hey keep themselves warm by moving around and they also keep themselves warm in one very unique way, the penguins huddle up all together, the penguins in the inside the huddl â¦ e swap with the penguins outside the huddle because the penguins outside the huddle get cold.