What are the problems of drinking water in community

Before tuberculosis was understood to be a communicable disease, and before the discovery of antibiotics to treat it, a major outbreak could kill or cripple a significant portion of a nation’s labor force. how would such an event affect the economy? illustrate the effect by dragging to shift either the aggregate demand curve or the long-run aggregate supply curve.

President jefferson called a "wall of separation between church and state."

Amedical school hires a consultant to meet with congressional staff to advocate federal funding for the medical school's research on breast cancer. this is an example of