George gets paid on Fridays for a week's work; Mai-ling gets paid for every five wedding veils she completes. George is on a schedule of reinforcement, while Mai-ling is on a schedule. Group of answer choices

Plz plz i need i don’t want to fail plz me don’t let me fail i need on a 4 paragraph about how tighter british control led to a revolution in colonial america

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.

What would you call a political system that is only meant to last for a short time