Summary of philosophy

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.

Which feature of a map shows the relationship between a distance on a map and that distance on earth? key scale grid system compass rose

The blue segment below is a diameter of oo. what is the length of the radius of the circle?