Ariel has two children, christopher and pat. christopher is 25 years old and pat is 22. both are full time students at southern college, have full tuition scholarships, and live at school during the year. christopher graduated in june. which test will prevent ariel from claiming both pat and christopher as dependents

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