In many cities, water from shallow wells is not used for drinking water because __________.
a.
shallow wells are easy to maintain
b.
water near the surface is more easily contaminated
c.
shallow wells destroy all seasonal crops
d.
shallow wells cause water to evaporate
Please select the best answer from the choices provided
I am not certain but water towards the surface is easily contaminated sounds about right... I hope its not a quiz your taking but hit me back if I'm right.