Which one is true?
1. correlation means two phenomena are related
2. correlation indicates the occurrence of causation
3. causation only occurs when correlation is positive
4. all of the above

What was included in most state constitutions that guaranteed protection of individual liberties based upon common law?

The term civil liberties refers to specific individual rights that

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.