Which statement correctly describes the earth's magnetic field?

a. the geomagnetic south is consistent with a magnetic south.
b. the geomagnetic north is similar to the south pole of a magnet.
c. the earth's magnetic poles are the same magnetic charge at the poles.
d. the earth does not have a consistent pattern of magnetism.

Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?