The image shows a water feature. Which term describes feature A?
A.) spring
B.) geyser
C.) water table
D.) artesian well

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

the electrical  conductivity  of asolution  of an electrolyte is measured by determining the resistance of thesolution  between two flat or cylindrical electrodes separated by a fixed distance.