Which characteristic distinguished the first civilizations from earlier human societies?
O A. Walking upright
O B. Fire
O c. Stone tools
O D. Social classes

Match each person with his contribution. aristotle socrates eratosthenes hippocrates he studied the causes of illnesses in search of cures. he created a teaching method that involved asking questions. he determined that earth was round. he educated alexander the great.

What is the approximate distance between paris and moscow?

What was the effect of the industrial revolution on the working class ?