Which of the following factors led to theories that paleo-indians may have been in oklahoma as early as 30,000 bce? a. stone tools found at the cooperton site were more advanced than expected. b. bison bones found at the burnham site dated back to before 10,000 bce. c. mammoth bones found at the cooperton site were dated earlier than expected. d. clovis indians arrived in oklahoma before 10,000 bce.

The answer is B. Bison bones found at the Burnham site dated back to before 10,000 BCE. I took the test and got this on correct

opinion because one person might not like silk

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.