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.
Penguins huddle to keep warm. The warm air gets trapped between the penguins' bodies and feathers (like air being trapped under your clothing) as each penguin's body heat will circulate to the others around them. Now remember that besides the freezing temperatures, there are also harsh winds where these penguins live.ir is a good insulator and so it will trap the body heat of the penguins. It also makes the whole group of penguins warmer and the product of all the penguin's body heat is g â¦ reater that of just one penguin other than that, they will also rotate around with the penguins on the outside. 4 people found this useful. .