Why do you think rates of chronic disease have been increasing so dramatically over the past several decades?

During the past century in the United States, advances in public health and health care have increased life expectancy by approximately 30 years and led to dramatic changes in the leading causes of death. As chronic diseases became the leading causes of illness and death in the United States by the middle of the 20th century  public health researchers began to shift their focus to identifying their complex and interrelated causes.

Explanation:

none, its a machine

probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop