3
you can decide from the artide that people living in a longhouse
probably
a fought a lot of the time with each other c did not know each other very well
b had to be fast to get the best space d had to be considerate of other families

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.