Ineed on my quiz
to promote the growth of vegetation, aborigines
a.
used fire to do controlled burns
b.
developed new types of fertilizer
c.
practiced animism
d.
let sheep graze only in certain areas

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.