Which of the following resources are in high demand due to large human populations? A) oil
B) trees
C) water
D) all of the above

Which of the following is evidence to the past existence of glaciers?

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal

What types of jobs typically are found in ghetto, inner-city neighborhoods? a. low-wage positions, typically in retail outlets, that require little education b. professional positions with banks, doctors' offices, and other similar businesses c. hourly factory and manufacturing positions d. positions that require advanced education, such as those in financial or technology firms select the best answer from the choices provided.