A circular-flow diagram is a model that a. helps to explain how participants in the economy interact with one another. b. helps to explain how the economy is organized. c. incorporates all aspects of the real economy. d. Both (a) and (b) are correct.

D?

Explanation:

The circular flow diagram is a model of the economy in which the major exchanges are represented as flows of money, goods and services, etc. between economic agents. The flows of money and goods exchanged in a closed circuit correspond in value, but run in the opposite direction.

Slowed reaction time

This guest is showing signs of slowed reaction time, which is one of the signs of alcohol intoxication. Other common signs are talking or moving slowly, loosing his train of thought, being drowsy and being unable to focus. It is important for a server to recognize these signs in order to protect the welfare of the guest.