What is a possible result of new safety laws implemented in a workplace?

Why is it economically necessary for the east germans to build berlin wall

Thoreau’s actions in civil disobedience and the 1955 bus boycott are similar because both thoreau and the boycotters were

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.