Which option distinguishes the stage of demographic development illustrated in the following scenario? The water supply Malik uses was recently decontaminated, and toilets were installed for the community, reducing
disease in his town. This leads to an increase in population and potential problems with natural resources.
one
two
three
four

How can firms use marginal analysis to determine the price of a product? a) profit maximization can occur when the marginal cost exceeds the marginal revenue. b) the total cost of production can determine the individual unit price of a product. c) marginal analysis can be used to determine at what price profit maximization occurs. d) firms can calculate the marginal cost of a product and set the price lower than the cost.

Which scenario is least likely to occur in a market economy? a) the government pays farmers to stop planting certain crops for a period of time. b) the government stops a factory from producing imitations of an expensive type of purse. c) the government offers tax breaks to companies that meet efficiency goals in their products. d) the government allows only two competitors to offer goods for sale on the country's highways.

Weak stimulus will cause a weak action potential. the stronger the stimulus, the stronger the action potential. a. true b. false