Which of the following would be considered a "point source" of water pollution?
a. Oil collected from city streets and parking lots
b. Pesticide runoff from farms
c. Groundwater contamination at a fracking site
d. Fertilizer runoff from suburban neighborhood yards

c. Groundwater contamination at a fracking site

Explanation:

all others could be sources from tens of square kilometers of surface area.

Fracking is limited to within a short range of the well hole.

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge