What most likely brought about the creation earth day in 1970?

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

What is significant about the power that russian federal cities are granted?

Explain how the principle of separation of powers is reflected in the