Which of the following would help explain why the aggregate demand curve slopes downward? Group of answer choices An unexpectedly low price level raises the real wage, which causes firms to hire fewer workers and produce a smaller quantity of goods and services. A lower price level causes domestic interest rates to rise and the real exchange rate to appreciate, which stimulates spending on net exports. A higher price level increases real wealth, which stimulates spending on consumption. A lower price level reduces the interest rate, which encourages greater spending on investment goods.

Which statement below best describes george waring's approach to solving the problems of water-borne illness? a. waring is going with his "gut," because he believes that instincts and emotions are the best guides for action. b. waring efficiently and thoroughly lays out the case for why the problems are too large and overwhelming to be solved: people should just move out of cities back to their farms. c. waring has gathered the testimonies of people who live in densely populated areas in order to learn how they themselves have solved their problems. d. waring exhibits the industrial age's increased respect for and reliance on science and the scientific method.

How does having a flexible mind you become a better employee? a. it you become more honest toward work. b. it you become a team player. c. it you learn new things that will better your performance. d. it you to finish your work on time. e. it you reach work on time

In terms of the "great wheel of science", statistics are central to the research process (a) only between the hypothesis phase and the observation phase (b) only between the observation phase and the empirical generalization phase (c) only between the theory phase and the hypothesis phase (d) only between the empirical generalization phase and the theory phase