What was a major consequence of the large-scale ecological changes in africa around 60,000 and 10,000 years ago? australopithecus africanus survived by building structures to store water and grain. neanderthals and cro-magnons fought wars to control game herds. bigger-brained hominins such as homo sapiens survived because they adapted to changing environments. spreading ice sheets led to the death of many animals hunted by early hominins.

10 points per question and brainlist 1. name four of the ruling dynasties of china. describe at least three contributions to society from each dynasty. 2. why did the qin ruler zheng burn chinese literature and philosophy books? how did the han dynasty establish a strong and effective government? why did people rebel against the sui rule? 3. what new technologies were invented during the tang dynasty and fully developed in the song dynasty that would eventually have a great impact on the world? explain why this technology had such an impact. 4. who were the invaders that seized control and took over the song dynasty? 5. how was china's history affected by its policies of isolation from the outside world during the ming dynasty?