What is the difference between a primary source and an artifact? a. Primary sources are studied by archaeologists; artifacts are studied by historians.
b. Primary sources are written sources; artifacts are objects.
c. Primary sources are made by people; artifacts are made by machines.
d. Primary sources are studied by historians; artifacts are not.

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.

Josh is teaching michael how to be an effective speaker. what two general hints for effective informative speaking should josh share?

Which struggle to place between colonist and soldiers in boston on march 5, 1770