An altiplano is a(n):
a. low area with small mountains
b. plain high in the andes
c. agricultural area in brazil
d. type of brazilian aircraft e. altitudinal zone lying above tierra firma

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia

Which statements about wells are true? check all that apply. a) wells bring groundwater from the unsaturated zone to the surface of the water. b) wells need to be drilled below the water table. c) if water is pumped from a well too quicky, the well may run dry. d) water from wells is generally not safe to drink. e) water gushes from artesian wells due to pressure.

According ti the following map, what are the most common mineral resources found in the united states?