What determines the chemical properties and physical properties of a mineral?

Using complete sentences, compare and contrast the leadership and accomplishments of martin luther king, jr. and frederick douglass.

Why do you think the nazis gave ration cards out to jews in the ghetto?

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire