What is the Columbian Exchange? A. A bank in Columbia
B. The global transfer of plants, food, and animals during the colonization of the Americas.
C. A South American Coffee company
D. The location of the first meeting of Columbus and the Native Americans

B

Explanation:

the correct answer is a) egypt and china.

egypt and china are two of the world’s oldest civilizations known by man. both ancient empires have left a great historic and cultural legacy to the world through archeology. both civilzations developed complex social relations, had deep religious beliefs, had dominion of agriculture and left writing records to understand their customs and culture.

among the requirements to consider a civilization, we find urbanization, writing records, a place of residence, agriculture methods, technological specialization, means of transportation, currency, population density, social stratification, and political integration.