Before the bell was ever presented, pavlov's dog salivated each time food was presented. in this situation, salivation is the

Que actos del pueblo simbolizaron el inicio de la revolucion y la caida de la monarquia?

Prices for products became more affordable as a result of new forms of ,witch got things to market faster and cheaper

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.