They must be awake to breathe.
Extrinsic motivation is the desire to perform a behavior due to promised rewards or threats of punishment.
The correct answer is letter C. The reason why a <span>government place price ceilings, such as rent control, on some essential goods in order "</span>to keep the goods from becoming too expensive." So far, from the choices, the one that is nearer is "to limit the impact of equilibrium pricing."