What concept did Alfred Wegener propose in the early 1900s after studying rock formations, fossils, and the climate of Earth?

Suppose an economist says that "other things equal, the lower the price of bananas, the greater the amount of bananas purchased." This statement indicates that:A. the quantity of bananas purchased determines the price of bananas. B.

Which statement best describes a musical motive? A) a short musical phrase repeated throughout a song. B) A section in the orchestra. C) A musical form with alternating repetitions of the main theme and contrasting sections.

The cost of rainforest preservation can be lowered for developing countries by

Which of the following is an example of a positive, as opposed to normative, statement? a. The federal government should decrease coverage of unemployment benefits to stimulate the economy out of the recession. b.

Costs incurred to increase the operating efficiency or useful life of a plant asset are referred to as

Suppose the objective of San Francisco's Municipal Authority (the cable caroperator) is to maximize its revenues.

What are implicit costs? an implicit cost is a. a cost that remains constant as output changes. b. the highest-valued alternative that must be given up to engage in an activity. c. a nonmonetary opportunity cost. d.

When interest rates rise, how might businesses and consumers change their economic behavior?

Which of the following statements is true according to the two-factor theory? A. Recognition is a hygiene factor. B. The hygiene factors tend to be intrinsic factors. C. Adequate hygiene factors ensure that people are not dissatisfied. D.

What is the present value of a $100 perpetuity if the interest rate is 10%? Round your answer to the nearest cent.