Which of the following scenarios best describes perfect competition? a. the industry is dominated by one producer. b. many sellers offer similar but not identical products. c. many small sellers offer identical products. d. there are only a few large sellers/suppliers of a product or service. e. there is only one seller/supplier of a product.

Every 10 years, the federal government sponsors a national survey of health and health practices (nhanes). one question in the survey asks participants to rate their overall health using a 5-point rating scale. what is the scale of measurement used for this question? ratio ordinal interval nominal

Which of the following is not an example of one of the four mail advantages of prices on a free market economy

Which one of the following statements is true? ddt does not prevent disease from passing from agricultural animals to humans. cost was a major factor in the united states government's decision to ban ddt. many african governments concluded that the potential long-term health effects of ddt were not as serious as the immediate problem of insect control. ddt cannot accumulate in the fat of animals. the ddt ban in the united states has made it very difficult to control agricultural insect pests.