Exams & Certification

What happens to the force of gravity between two objects when they grow closer? The correct answer and explanation is: The force of gravity between two objects increases as they grow closer to each other. This relationship is described by Newton’s Law of Universal Gravitation, which states that the gravitational force between two masses is […]

An industry in which one firm can achieve economies of scale over the entire range of market supply is a(n) A natural monopoly B competitive monopoly C contestable monopoly D efficient monopoly The correct answer and explanation is: The correct answer is A. natural monopoly. A natural monopoly occurs when a single firm can produce

If a profit-maximizing monopoly charges a price that is three times its marginal cost, the demand function at the profit-maximizing quantity must be elastic because the absolute value of the price elasticity of demand equals The Correct Answer and Explanation is: The correct answer is: Elastic. Explanation: In the context of monopoly pricing, the monopolist

Social Work is a unique profession because of all of the following except options: a) Uses multiple theories b) Is values oriented c) Is focused on universal truths d) Is action focused The correct answer and explanation is: The correct answer is c) Is focused on universal truths. Social work is a profession deeply rooted

How do proteins function in plasma membranes? Select the correct answer. Answer A separate the cell from the extracellular environment B arrange in such a way that they provide barriers for organelles and the cell itself C hydrophobic membrane-spanning regions interact with the hydrophobic tails of phospholipids D play a role in viral immunity The

Which of the following is not a positive organizational behavior that we discussed in lecture? Group of answer choices Optimism Self-esteem Hope Resilience The correct answer and explanation is: The correct answer is Self-esteem. Positive organizational behavior refers to the study and application of positive human resources strengths and psychological capacities that can be measured,

Alice just got a 20% raise. Under what conditions is this raise likely to increase her happiness long-term? A. Alice was comfortably middle-class but can now take nice vacations each year B. Alice comes from a wealthy family and she now is able to match the lifestyles of her siblings C. Alice had been struggling

Enumerated powers are specific powers granted to the federal government by the Constitution. True or False The correct answer and explanation is: True. Enumerated powers are indeed specific powers granted to the federal government by the U.S. Constitution. These powers are outlined in Article I, Section 8, and give Congress the authority to carry out

When the absolute value of the price elasticity of demand is greater than 1, demand is: elastic. inelastic. unit elastic. perfectly inelastic. The Correct Answer and Explanation is: The correct answer is elastic. In economics, price elasticity of demand (PED) measures how sensitive the quantity demanded of a good is to a change in its

The United States now has the highest incarceration rate in the world. Group of answer choices True False The correct answer and explanation is: The correct answer is True. The United States has the highest incarceration rate in the world. The U.S. incarcerates a larger proportion of its population than any other country. As of