Which of the following organisms would you find at the bottom of an ocean food chain? A. stingray
B. fish
C. dolphin
D. plankton

In piaget's stage, you would expect one to develop interest in ethics, politics, and social and moral issues.

How can changes in technology or consumer demand make it difficult for people to get jobs? by changing the number or kind of jobs available by making it possible for some people to work fewer hours by making it difficult for people to buy what they want by creating a demand for things that are not available

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.