Where can north america's highest mountain ranges be found?
a.
just west of the atlantic coastal plain in both the united states and canada
b.
in the western part of the continent from mexico to alaska
c.
in the central part of canada
d.
in the western united states but not in canada or mexico

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.