When a bank says their savings account earns 1% APY interest, that typically means you will earn 1% interest over what period of time A. monthly
B. Daily
C. Annually
D. Quarterly

Power plants that rely on coal increase the amount of sulfur dioxide that dissolves into the air, eventually increasing the acidity of precipitation. the higher acidity of rain and snow can damage forests by making it more difficult for plants to absorb minerals from the soil. the equations below provide information about the market demand and supply of electricity. there is a constant marginal external cost of $25 per unit of electricity. d: qd= 200 – 2ps: qs=p – 10what quantity of electricity satisfies allocative efficiency in this market? a. 60b. 70c. 50d. 43.3

Which of the following best describes the economic effect that results from the government having a budget surplus? a. consumers save more and spend less, enabling long-term financial planning. b. overall demand decreases, reducing the incentive for producers to increase production. c. banks have more deposits, enabling them to make more loans to investors. d. government spending increases, increasing competition for goods and services and driving prices up.

Environmentalists are concerned about emissions of sulfur dioxide into the air. the average number of days per year in which sulfur dioxide levels exceed 150 milligrams per cubic meter in milan, italy, is 29. the number of days per year in which emission limits are exceeded is normally distributed with a standard deviation of 4.0 days. what percentage of the years would exceed 37 days?