Examples of chemical change: During a chemical change, a new chemical composition and new properties are formed. Examples of chemical changes are: burning of wood, cooking of food, rusting of iron and souring of milk.
The Black Heritage Trail is a path in Boston, Massachusetts, winding through the Beacon Hill neighborhood and sites important in American black history.
The sociological definition of the Black Belt, as related to the history of this cotton-dependent region, refers to a much larger region of the Southern United States, stretching from Maryland to Texas but centered on the Black Belt of uplands areas of Georgia, Alabama, Mississippi and Louisiana.